Question

How do you find the derivative of `1000/x`?

Answer 1

Let `y=1000/x` or `y=1000x^(-1)`, then by the power rule for

derivatives we get

`y'=(-1000)/(x^2)`

Explanation:

The power rule for derivatives states that `d/dx[u^(n)]=n*u^(n-1)`.