Question

What is the antiderivative of `-5e^(x-1)`?

Answer 1

I found: `-5e^(x-1)+c`

Explanation:

You have:
`int-5e^(x-1)dx=-5inte^(x-1)dx=`
but `d[(x-1)]=dx` so you can write:
`-5inte^(x-1)d(x-1)=`
`=-5e^(x-1)+c`