Find the derivative of:
using the Fundamental Theorem of Calculus
Split the integral using the property:
Then you will need to flip the limits of one of the terms so you can differentiate. Use the property:
You will also need to use the chain rule. Here's an example of how this works.
By the FTOC:
Try to use this information to find the derivative. If you still are having trouble, then I will help you further.