# How do you differentiate #f(x)=xsqrt(x-1)# using the product rule?

##### 1 Answer

Dec 23, 2015

The point here is seeing that a root can be converted into a power, as stated by the following power rule:

#### Explanation:

Using such concept, we can rewrite the expression:

The product rule states that for a function

Before, let's also remember that the chain rule states