Integrating a polynomial with a square root

[ande]

1. Integrate the following: (4x - x^2)^1/2 dx 2. Any assistance would be appreciated.3. Honestly don't know where to start.

 

[Simon Bridge]

Complete the square under the root, and use a trig substitution.

 

[ande]

Read up on trig substitution. I hadn't covered it yet. Thank you. Works like a charm.

 

[Simon Bridge]

Well done.