Mathematics Homework Solutions
Problem
#92583

Solving Ordinary Differential Equation using Laplace Transform

(1)  Use Laplace Transforms to solve Differential Equation
      y'' - 8y' + 20 y = t (e^t)  , given that  y(0) = 0  , y'(0) = 0
(2)  Use Laplace Transforms to solve Differential Equation
      y''' + 2y'' - y' - 2y = Sin 3t  , given that  y(0)=0 , y'(0)=0 ,y''(0)=0, y'''(0)=1

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Question (1)

Use Laplace Transforms to solve the following Differential Equation.

, y (0) = 0 , y ‘ (0) = 0

Question (2):

Use Laplace Transforms to solve the following Differential Equation.

where y(0)=0 ,

y ‘ (0) , y ‘’(0) = 0 , y ‘’’(0) =1

Solution Summary

The Differential Equations y'' - 8y' + 20 y = t (e^t),  y''' + 2y'' - y' - 2y = Sin 3t  , given that  y(0)=0 , y'(0)=0 ,y''(0)=0, y'''(0)=1 are solved using Lapalace Transforms in the given attachment. The method of solving the equations is explained in a lucid manner such a way that the students can work out other similar problems independently using this method.
The solution is given in minute detail so that the students may not feel difficulty in understanding and applying the method to solve other problems of the same model.

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