1. Evalute the indefinite integral

Evaluate the indefinite integral of the following:

2. Originally Posted by My Little Pony
Evaluate the indefinite integral of the following:
Complete the square

$\displaystyle \int \sqrt{12x - x^2}\,dx = \int \sqrt{36 - (x-6)^2}\,dx$

then let $\displaystyle x - 6 = 6 \sin \theta$