# Thread: help finding a derivative..

1. ## help finding a derivative..

i need help finding the derivative of a function that has an exponent in the denominator, i know how to find one of a function like 5x^3 but not of one like the following...

1/t^3

2. $\frac{1}{t^3}$ may be written $t^{-3}$. Does that help?

3. o yes thank you wow i feel dumb