Question

How do you differentiate `f(x)=cos(x^2-x)` using the chain rule?

Answer 1

`f'(x)=-sin(x^2-x)*(2x-1)`

Explanation:

When you use the Chain Rule you take the derivative of the "outside" and then the derivative of the "inside".

`f'(x)=-sin(x^2-x)*(2x-1)`

Click on the video below to see another example of using the Chain Rule.