- #1

haha1234

- 109

- 0

## Homework Statement

The differential equation given:

y''-y'-2y=4t

^{2}

## Homework Equations

## The Attempt at a Solution

I used the laplace transform table to construct this equation,and then I did partial fraction for finding the inverse laplace transform.But I'm now stuck at finding the inverse laplace transform of 1/s^3 and 1/s^2...

And the attached photo is the attempted solution.

https://www.physicsforums.com/attachments/92000