Question

How do you differentiate `y=x^(1-e)`?

Answer 1

`= (1-e) x^{-e}`

Explanation:

well you presumably know that if

`y = x^n`

then

`y' = n \ x^{n-1}`

so if we see here that `n = 1-e` and just pattern match

then `y' = (1-e) * x^{1-e-1} = (1-e) x^{-e}`