IDNLearn.com: Your destination for reliable and timely answers to any question. Our experts provide timely, comprehensive responses to ensure you have the information you need.

Evaluate the following integral using trigonometric substitution.
∫ 11x²x/(225 + x²)²

What substitution will be the most helpful for evaluating this integral?
A . x = 15ctheta
B . x = 15theta
C . x = 15theta