General solution of the differential equation calculator

Advanced Math questions and answers. Find the general solution of the differential equation y′′+y=10sin (2t)+7tcos (2t). Use C1, C2, C3 ... for the constants of integration. Enter an exact answer. Enter your answer using multiplication sign. Do not simplify trigonometric functions of nt, where n is a positive integer.

General solution of the differential equation calculator. If we use the conditions y(0) y ( 0) and y(2π) y ( 2 π) the only way we’ll ever get a solution to the boundary value problem is if we have, y(0) = a y(2π) = a y ( 0) = a y ( 2 π) = a. for any value of a a. Also, note that if we do have these boundary conditions we’ll in fact get infinitely many solutions.

In this section we will solve systems of two linear differential equations in which the eigenvalues are real repeated (double in this case) numbers. This will include deriving a second linearly independent solution that we will need to form the general solution to the system. We will also show how to sketch phase portraits associated with …

Matrix calculations. More details. Numerical calculator. Step-by-step calculators for definite and indefinite integrals, equations, inequalities, ordinary differential equations, limits, matrix operations and derivatives. Detailed explanation of all stages of a solution!This notebook is about finding analytical solutions of partial differential equations (PDEs). If you are interested in numeric solutions of PDEs, then the numeric PDEModels Overview is a good starting point. A partial differential equation (PDE) is a relationship between an unknown function u(x_ 1,x_ 2,\[Ellipsis],x_n) and its derivatives with respect to the variables x_ 1,x_ 2,\[Ellipsis],x_n.You'll get a detailed solution from a subject matter expert that helps you learn core concepts. See Answer See Answer See Answer done loading Question: Problem 5: In (a)-(e) below, determine the general solution to the given differential equation.Our online calculator, based on the Wolfram Alpha system allows you to find a solution of Cauchy problem for various types of differential equations. To get started, you need to enter your task's data (differential equation, initial conditions) in the calculator. When setting the Cauchy problem, the so-called initial conditions are specified ...Find the general solution of the differential equations: (a) d t d x = x 2 (1 + t) [1 marks] (b) x 2 d x d y + x y = x 2 e x for x > 0 [1 marks] 2. Find the solution to the initial value problem. Find the solution to the initial value problem. The Euler's Method is a straightforward numerical technique that approximates the solution of ordinary differential equations (ODE). Named after the Swiss mathematician Leonhard Euler, this method is precious for its simplicity and ease of understanding, especially for those new to differential equations. Basic Concept. Consider the differential equation , Find the general solution of the differential equation explicitly in the form y = f (x). Then find the particular solution that satisfies y (1) = 0. Consider the differential equation, Given that the complementary function is y (x)=Ae 2x +Be3 x , find a particular integral. Show transcribed image text.

Calculate a general solution of the differential equation:dydx=6-2yexex+4 This problem has been solved! You'll get a detailed solution that helps you learn core concepts. Video transcript. - [Instructor] So let's write down a differential equation, the derivative of y with respect to x is equal to four y over x. And what we'll see in this video is the solution to a differential equation isn't a value or a set of values. It's a function or a set of functions. Section 3.5 : Reduction of Order. We're now going to take a brief detour and look at solutions to non-constant coefficient, second order differential equations of the form. p(t)y′′ +q(t)y′ +r(t)y = 0 p ( t) y ″ + q ( t) y ′ + r ( t) y = 0. In general, finding solutions to these kinds of differential equations can be much more ...1.1: Integrals as solutions. A first order ODE is an equation of the form. dy dx = f(x, y) or just. y′ = f(x, y) In general, there is no simple formula or procedure one can follow to find solutions. In the next few lectures we will look at special cases where solutions are not difficult to obtain.Get full access to all Solution Steps for any math problem By continuing, ... Ordinary Differential Equations Calculator, Separable ODE. Last post, we talked about linear first order differential equations. In this post, we will talk about separable... Enter a problem. Cooking Calculators.There are a wide variety of reasons for measuring differential pressure, as well as applications in HVAC, plumbing, research and technology industries. These measurements are used ...Question: Find the general solution of the differential equation. (Use C for any needed constant.) dy dx -3- y = Find the function y = f (t) passing through the point (0, 9) with the given differential equation. Use a graphing utility to graph the solution. dy dt 1 7 y = Find the function y = f) passing through the point (0,5) with the given ...Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections ... matrix-calculator. general solution. en. Related Symbolab …

The Euler's Method is a straightforward numerical technique that approximates the solution of ordinary differential equations (ODE). Named after the Swiss mathematician Leonhard Euler, this method is precious for its simplicity and ease of understanding, especially for those new to differential equations. Basic Concept.Question: Find the general solution of the differential equation.y double prime minus 25 yequals0. Find the general solution of the differential equation. y double prime minus 2 5 yequals 0. Here's the best way to solve it. Powered by Chegg AI.Find the general solution of the given second-order differential equation. y'' + 14 y' + 49 y = 0. There are 2 steps to solve this one. Expert-verified. 100% (15 ratings)differential equation solver. Compute answers using Wolfram's breakthrough technology & knowledgebase, relied on by millions of students & professionals.Completing the square method is a technique for find the solutions of a quadratic equation of the form ax^2 + bx + c = 0. This method involves completing the square of the quadratic expression to the form (x + d)^2 = e, where d and e are constants.

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You will find that it has quite a lot of cool things to offer. Right from partial differential equation calculator to geometry, we have got all the details discussed. Come to Pocketmath.net and figure out square roots, the square and several additional algebra subjects.The Euler's Method is a straightforward numerical technique that approximates the solution of ordinary differential equations (ODE). Named after the Swiss mathematician Leonhard Euler, this method is precious for its simplicity and ease of understanding, especially for those new to differential equations. Basic Concept.We need to isolate the dependent variable , we can do that by simultaneously subtracting 2x 2x from both sides of the equation. Divide both sides of the equation by 2 2. Divide both sides of the equation by y y. Cancel the fraction's common factor 2 2. Implicit Differentiation Calculator online with solution and steps.Calculator applies methods to solve: separable, homogeneous, first-order linear, Bernoulli, Riccati, exact, inexact, inhomogeneous, with constant coefficients, Cauchy–Euler and systems — differential equations.

J n ( x) = ∑ k = 0 ∞ ( − 1) k k! ( k + n)! ( x 2) 2 k + n. There is another second independent solution (which should have a logarithm in it) with goes to infinity at x = 0 x = 0. Figure 10.2.1 10.2. 1: A plot of the first three Bessel functions Jn J n and Yn Y n. The general solution of Bessel’s equation of order n n is a linear ...1. Calculate a general solution of the differential equation: t 2 y ′′ + 3 t y ′ − 8 y = − 36 t 2 ln t (t > 0) Simplify your answer. 2. Verify that x 1 (t) = t s i n 2 t is a solution of the differential equation ζ t ′′ + 2 x ′ + 4 t x = 0 (t > 0) Then determine the general solution.A Bernoulli equation has this form: dy dx + P (x)y = Q (x)y n. where n is any Real Number but not 0 or 1. When n = 0 the equation can be solved as a First Order Linear Differential Equation. When n = 1 the equation can be solved using Separation of Variables. For other values of n we can solve it by substituting.Though we need nth derivative of f to exist for all x for which the differential equation is defined, when f is a solution of nth order ordinary differential equation. The "general solution" in this particular question is chosen to be continuous for some reasons and differentiability is ignored. Here's the link-$\endgroup$ -system-of-differential-equations-calculator. x^{\prime}=\begin{pmatrix}3&-4\\1&-1\end{pmatrix}x, x(0)=\begin{pmatrix}1\\0\end{pmatrix} en. Related Symbolab blog posts. Advanced Math Solutions – Ordinary Differential Equations Calculator, Linear ODE. Ordinary differential equations can be a little tricky. In a previous post, we talked about …In today’s digital age, having a reliable calculator app on your PC is essential for various tasks, from simple arithmetic calculations to complex mathematical equations. If you’re...Dividing both sides by 𝑔' (𝑦) we get the separable differential equation. 𝑑𝑦∕𝑑𝑥 = 𝑓 ' (𝑥)∕𝑔' (𝑦) To conclude, a separable equation is basically nothing but the result of implicit differentiation, and to solve it we just reverse that process, namely take the antiderivative of both sides. 1 comment.Convert the above partial differential equations into the canonical form, and then find the general solution. The problem I am encountering is that even after making the transformations, I get a similar partial differential equation in terms of new variables. The transformations are -- $\alpha = x$ , and $\beta = y - e^{x}$.Explore math with our beautiful, free online graphing calculator. Graph functions, plot points, visualize algebraic equations, add sliders, animate graphs, and more.Primes denote derivatives with respect to x. (x + 6yly' = 9x-y The general solution is Find the general solution of the following differential equation. Primes denote derivatives with respect to x. 5x (x + 4y)' = 5y (x - 4y) The general solution is (Type an implicit general solution in the form. There are 3 steps to solve this one. The given differential equation is. 2 t 2 x ″ + 3 t x ′ − x = − 12 t ln t. ( t > 0) Explanation: The general solution of the given differential equation is x ( t) = x c ( t) + x p ( t) View the full answer Step 2. Unlock. Answer. Unlock.

The General Solution of a System of Linear Equations using Gaussian elimination. This online calculator solves a system of linear algebraic equations using the Gaussian elimination method. It produces the result whether you have a unique solution, an infinite number of solutions, or no solution. It also outputs the result in floating point and ...

Exercise 3.4.3 3.4. 3. Check that this x x → really solves the system. Note: If we write a homogeneous linear constant coefficient nth n t h order equation as a first order system (as we did in Section 3.1 ), then the eigenvalue equation. det(P − λI) = 0 d e t ( P − λ I) = 0.Step 1. Given the differential equation: t y ″ + ( 4 t − 1) y ′ − 4 y = 3 t 2 e − 4 t . 4.6.25 Use variation of parameters to find a general solution to the differential equation given that the functions y1 and y2 are linearly independent solutions to the corresponding homogeneous equation for t0 A general solution is y (t) Video transcript. - [Instructor] So let's write down a differential equation, the derivative of y with respect to x is equal to four y over x. And what we'll see in this video is the solution to a differential equation isn't a value or a set of values. It's a function or a set of functions. Convert the differential equation from the time domain to the s-domain using the Laplace Transform. The differential equation will be transformed into an algebraic equation, which is typically easier to solve. After solving in the s-domain, the Inverse Laplace Transform can be applied to revert the solution to the time domain.Dividing both sides by 𝑔' (𝑦) we get the separable differential equation. 𝑑𝑦∕𝑑𝑥 = 𝑓 ' (𝑥)∕𝑔' (𝑦) To conclude, a separable equation is basically nothing but the result of implicit differentiation, and to solve it we just reverse that process, namely take the antiderivative of both sides. 1 comment.Learn how to find the general solution of differential equations with this video tutorial. Discover the method of integrating factors and the role of derivatives in solving these equations.First Order Linear Differential Equations are of this type: dy dx + P (x)y = Q (x) Where P (x) and Q (x) are functions of x. They are "First Order" when there is only dy dx (not d2y dx2 or d3y dx3 , etc.) Note: a non-linear differential equation is often hard to solve, but we can sometimes approximate it with a linear differential equation to ...1. Calculate a general solution of the differential equation: t 2 y ′′ + 3 t y ′ − 8 y = − 36 t 2 ln t (t > 0) Simplify your answer. 2. Verify that x 1 (t) = t s i n 2 t is a solution of the differential equation ζ t ′′ + 2 x ′ + 4 t x = 0 (t > 0) Then determine the general solution.Second Order Differential Equation Solver. Enter the Differential Equation: = Calculate: Computing... Get this widget. Build your own widget ...

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In today’s digital age, calculators have become an essential tool for both students and professionals. Whether you need to solve complex mathematical equations or simply calculate ...1.1: Integrals as solutions. A first order ODE is an equation of the form. dy dx = f(x, y) or just. y′ = f(x, y) In general, there is no simple formula or procedure one can follow to find solutions. In the next few lectures we will look at special cases where solutions are not difficult to obtain.Find the particular solution of the differential equation which satisfies the given inital condition: First, we need to integrate both sides, which gives us the general solution: Now, we apply the initial conditions ( x = 1, y = 4) and solve for C, which we use to create our particular solution: Example 3: Finding a Particular Solution.Differential Equations. Ordinary Differential Equations. The second-order ordinary differential equation x^2 (d^2y)/ (dx^2)+x (dy)/ (dx)- (x^2+n^2)y=0. (1) The solutions are the modified Bessel functions of the first and second kinds, and can be written y = a_1J_n (-ix)+a_2Y_n (-ix) (2) = c_1I_n (x)+c_2K_n (x), (3) where J_n (x) is a Bessel ...Question: 1. Calculate a general solution of the differential equation: t2y′′+3ty′−8y=−36t2lnt (t>0) Simplify your answer. 2. Verify that x1 (t)=tsin2t is a solution of the differential equation tx′′+2x′+4tx=0 (t>0) Then determine the general solution. please do both problems, for differential equations. There are 4 steps to ... Second Order Differential Equation. The widget will take any Non-Homogeneus Second Order Differential Equation and their initial values to display an exact solution. Get the free "Second Order Differential Equation" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha. Find the general solution of the given differential equation. y'' + 12y' + 85y = 0. y (t) =. There are 2 steps to solve this one. Expert-verified. Share Share.Google Classroom. What is the general solution to the differential equation that generated the slope field? Choose 1 answer: y = x + C. A. y = x + C. y = x 2 + C. B.Section 3.4 : Repeated Roots. In this section we will be looking at the last case for the constant coefficient, linear, homogeneous second order differential equations. In this case we want solutions to. ay′′ +by′ +cy = 0 a y ″ + b y ′ + c y = 0. where solutions to the characteristic equation. ar2+br +c = 0 a r 2 + b r + c = 0.mxhnil: integer, (0: solver-determined) Maximum number of messages printed. mxordn: integer, (0: solver-determined) Maximum order to be allowed for the nonstiff (Adams) method. mxords: integer, (0: solver-determined) Maximum order to be allowed for the stiff (BDF) method. OUTPUT: Return a list with the solution of the system at each time in times.Here are two particular solutions: y1P = t4 4 + a y 1 P = t 4 4 + a. y2P = t4 4 + a +c1t−a y 2 P = t 4 4 + a + c 1 t − a. What is the difference between these two particular solutions? To say you have a unique solution means that this is the ONLY function that satisfies both the differential equation and the initial condition. The graph of ...Differential Equation Calculator is an online tool that helps to compute the solution for the first-order differential equation when the initial condition is given. A differential equation that has a degree equal to 1 is known as a first-order differential equation. To use this differential equation calculator, enter the values in the given ... ….

A Bernoulli equation has this form: dy dx + P (x)y = Q (x)y n. where n is any Real Number but not 0 or 1. When n = 0 the equation can be solved as a First Order Linear Differential Equation. When n = 1 the equation can be solved using Separation of Variables. For other values of n we can solve it by substituting.Use the online system of differential equations solution calculator to check your answers, including on the topic of System of Linear differential equations. The solution shows the field of vector directions, which is useful in the study of physical processes and other regularities that are described by linear differential equations. Free System of ODEs calculator - find solutions for system ...Calculate the derivatives and substitute them into the differential equation. Answer. This requires calculating \(y'\) and \(y''\). ... Just as with first-order differential equations, a general solution (or family of solutions) gives the entire set of solutions to a differential equation. An important difference between first-order and second ... Step-by-step differential equation solver. This widget produces a step-by-step solution for a given differential equation. Get the free "Step-by-step differential equation solver" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha. The solutions to this equation define the Bessel functions and .The equation has a regular singularity at 0 and an irregular singularity at .. A transformed version of the Bessel differential equation given by Bowman (1958) isIn today’s digital age, calculators have become an essential tool for both students and professionals. Whether you need to solve complex mathematical equations or simply calculate ...Find the general solution of the linear system. Then use the initial conditions to find the particular solution that satisfies them. Use a computer system or graphing calculator to construct a direction field and typical solution curves for the system. x′=7x+y;y′=−8x+y;x (0)=1y (0)=0 Eliminate y and solve the remaining differential ...Convert the above partial differential equations into the canonical form, and then find the general solution. The problem I am encountering is that even after making the transformations, I get a similar partial differential equation in terms of new variables. The transformations are -- $\alpha = x$ , and $\beta = y - e^{x}$. Equations Inequalities Scientific Calculator Scientific Notation Arithmetics Complex Numbers Polar/Cartesian Simultaneous Equations System of Inequalities Polynomials Rationales Functions Arithmetic & Comp. Coordinate Geometry Plane Geometry Solid Geometry Conic Sections Trigonometry General solution of the differential equation calculator, (The Wolfram Language function NDSolve, on the other hand, is a general numerical differential equation solver.) DSolve can handle the following types of equations: Finding symbolic solutions to ordinary differential equations. DSolve returns results as lists of rules. This makes it possible to return multiple solutions to an equation., An n-th order ordinary differential equations is linear if it can be written in the form; a 0 (x)y n + a 1 (x)y n-1 +…..+ a n (x)y = r (x) The function a j (x), 0 ≤ j ≤ n are called the coefficients of the linear equation. The equation is said to be homogeneous if r (x) = 0. If r (x)≠0, it is said to be a non- homogeneous equation., It is the same concept when solving differential equations - find general solution first, then substitute given numbers to find particular solutions. Let's see some examples of first order, first degree DEs. Example 4. a. Find the general solution for the differential equation `dy + 7x dx = 0` b. Find the particular solution given that `y(0)=3 ..., When the discriminant p 2 − 4q is positive we can go straight from the differential equation. d 2 ydx 2 + p dydx + qy = 0. through the "characteristic equation": r 2 + pr + q = 0. to the general solution with two real roots r 1 and r 2: y = Ae r 1 x + Be r 2 x, The reason is that the derivative of \(x^2+C\) is \(2x\), regardless of the value of \(C\). It can be shown that any solution of this differential equation must be of the form \(y=x^2+C\). This is an example of a general solution to a differential equation. A graph of some of these solutions is given in Figure \(\PageIndex{1}\)., The General Solution of a System of Linear Equations using Gaussian elimination. This online calculator solves a system of linear algebraic equations using the Gaussian elimination method. It produces the result whether you have a unique solution, an infinite number of solutions, or no solution. It also outputs the result in floating point and ... , Free derivative calculator - differentiate functions with all the steps. Type in any function derivative to get the solution, steps and graph, May 28, 2023 · (Recall that a differential equation is first-order if the highest-order derivative that appears in the equation is \( 1\).) In this section, we study first-order linear equations and examine a method for finding a general solution to these types of equations, as well as solving initial-value problems involving them. , Finding the general solution of the general logistic equation dN/dt=rN(1-N/K). The solution is kind of hairy, but it's worth bearing with us! ... Since the left side of the differential equation came from taking the derivative of these two functions with respect to time, by taking the anti-derivative (the inverse of the derivative) with respect ..., There are a number of equations known as the Riccati differential equation. The most common is z^2w^('')+[z^2-n(n+1)]w=0 (1) (Abramowitz and Stegun 1972, p. 445; Zwillinger 1997, p. 126), which has solutions w=Azj_n(z)+Bzy_n(z), (2) where j_n(z) and y_n(z) are spherical Bessel functions of the first and second kinds. Another Riccati differential equation is (dy)/(dz)=az^n+by^2, (3) which is ..., The differential equation given above is called the general Riccati equation. It can be solved with help of the following theorem: Theorem. If a particular solution \({y_1}\) of a Riccati equation is known, the general solution of the equation is given by, To solve ordinary differential equations (ODEs) use the Symbolab calculator. It can solve ordinary linear first order differential equations, linear differential equations with constant coefficients, separable differential equations, Bernoulli differential equations, exact differential equations, second order differential equations, homogenous and non homogenous ODEs equations, system of ODEs ..., The Modified Euler's Method Calculator is an intuitive tool that allows you to approximate the solutions of differential equations with increased accuracy using the Modified Euler's Method. Our calculator has been carefully created to provide precise and quick results by applying the modified Euler's method., This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Question: Find the general solution of the differential equation. (Enter your solution as an equation.) 16yy' - gex = 0 Find the particular solution of the differential equation that satisfies the initial condition ..., In today’s digital age, calculators have become an essential tool for both students and professionals. Whether you need to solve complex mathematical equations or simply calculate ..., Advanced Math Solutions - Ordinary Differential Equations Calculator, Linear ODE Ordinary differential equations can be a little tricky. In a previous post, we talked about a brief overview of..., A separable differential equation is any differential equation that we can write in the following form. N (y) dy dx = M (x) (1) (1) N ( y) d y d x = M ( x) Note that in order for a differential equation to be separable all the y y 's in the differential equation must be multiplied by the derivative and all the x x 's in the differential ..., Free linear w/constant coefficients calculator - solve Linear differential equations with constant coefficients step-by-step , What can the calculator of differential equations do? Detailed solution for: Ordinary Differential Equation (ODE) Separable Differential Equation; Bernoulli equation; Exact Differential Equation; First-order differential equation; Second Order Differential Equation; Third-order differential equation; Homogeneous Differential Equation, Here I tried to find the general solution of the following linear differential equation but couldn't correctly find the answer . 3 Find a real-valued vector solution to a system of differential equations, Step-by-step solutions for differential equations: separable equations, first-order linear equations, first-order exact equations, Bernoulli equations, first-order substitutions, Chini-type equations, general first-order equations, second-order constant-coefficient linear equations, reduction of order, Euler-Cauchy equations, general second-order equations, higher-order equations., Solution. Substituting yp = Ae2x for y in Equation 5.4.2 will produce a constant multiple of Ae2x on the left side of Equation 5.4.2, so it may be possible to choose A so that yp is a solution of Equation 5.4.2. Let's try it; if yp = Ae2x then. y ″ p − 7y ′ p + 12yp = 4Ae2x − 14Ae2x + 12Ae2x = 2Ae2x = 4e2x., Solving Differential Equations online. This online calculator allows you to solve differential equations online. Enough in the box to type in your equation, denoting an apostrophe ' derivative of the function and press "Solve the equation". And the system is implemented on the basis of the popular site WolframAlpha will give a detailed solution ..., The input window of the calculator shows the input differential equation entered by the user. It also displays the initial value conditions y(0) and y´(0). Result. The Result’s window shows the initial value solution obtained from the general solution of the differential equation. The solution is a function of x in terms of y. Autonomous ..., A separable differential equation is a common kind of differential equation that is especially straightforward to solve. Separable equations have the form \frac {dy} {dx}=f (x)g (y) dxdy = f (x)g(y), and are called separable because the variables x x and y y can be brought to opposite sides of the equation. Then, integrating both sides gives y ..., system-of-differential-equations-calculator. x^{\prime}=\begin{pmatrix}3&-4\\1&-1\end{pmatrix}x, x(0)=\begin{pmatrix}1\\0\end{pmatrix} en. Related Symbolab blog posts. Advanced Math Solutions - Ordinary Differential Equations Calculator, Linear ODE. Ordinary differential equations can be a little tricky. In a previous post, we talked about a ..., Video transcript. - [Instructor] So let's write down a differential equation, the derivative of y with respect to x is equal to four y over x. And what we'll see in this video is the solution to a differential equation isn't a value or a set of values. It's a function or a set of functions., (The Wolfram Language function NDSolve, on the other hand, is a general numerical differential equation solver.) DSolve can handle the following types of equations: Finding symbolic solutions to ordinary differential equations. DSolve returns results as lists of rules. This makes it possible to return multiple solutions to an equation., To solve ordinary differential equations (ODEs), use methods such as separation of variables, linear equations, exact equations, homogeneous equations, or numerical …, For equation solving, Wolfram|Alpha calls the Wolfram Language's Solve and Reduce functions, which contain a broad range of methods for all kinds of algebra, from basic linear and quadratic equations to multivariate nonlinear systems. In some cases, linear algebra methods such as Gaussian elimination are used, with optimizations to increase ..., Example 2. Find the general solution of the non-homogeneous differential equation, y ′ ′ ′ + 6 y ′ ′ + 12 y ′ + 8 y = 4 x. Solution. Our right-hand side this time is g ( x) = 4 x, so we can use the first method: undetermined coefficients., Separation of Variables. 2. Separation of Variables. Some differential equations can be solved by the method of separation of variables (or "variables separable") . This method is only possible if we can write the differential equation in the form. A ( x) dx + B ( y) dy = 0, where A ( x) is a function of x only and B ( y) is a function of y only., 1. Calculate a general solution of the differential equation: t 2 y ′′ + 3 t y ′ − 8 y = − 36 t 2 ln t (t > 0) Simplify your answer. 2. Verify that x 1 (t) = t s i n 2 t is a solution of the differential equation ζ t ′′ + 2 x ′ + 4 t x = 0 (t > 0) Then determine the general solution.