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## Homework Statement

the questions asks to determine inverse laplace transform of

s/(s+4)^4

## Homework Equations

## The Attempt at a Solution

this can supposedly be done just using laplace transform tables so im guessing i need to simplify that to something thats workable but i dont know how.

the solution is

e^(-4t) (t^2/2 - (2/3) t^3)

anyone can help in directing me how to simplify that equation before i use tables to inverse?