Inverse Laplace Transform homework

[EP]

Homework Statement

1/s^5

Homework Equations

I was thinking I need to use n!/s^n+1

The Attempt at a Solution

But n would then be 4, so n! will be 24. Not sure what to do?

 

[HallsofIvy]

n!, or in this case 4!= 24, is a constant!

1/s⁵= (1/24)(4!/s⁴⁺¹)