# How do you find the derivative of #1/x#?

##### 1 Answer

Nov 23, 2016

#### Explanation:

We use the power rule for differentiation which is

# d/dx(x^n) = nx^(n-1) AA x in RR, n in RR # where#n# is constant

So,

# d/dx(1/x) = d/dx(x^-1) = (-1)x^(-1-1) = -1/x^2#