integrate!!!!!!!!!!!!!!!!!

Question

dx / ((x^2) (sqrt(25-x^2))) using trig substitutions?

Answer 1

Let .

Substitute in above equation

Substitute and in above equation

The solution is.

 

Comments

Solution

.

Answer 2

Let .

Substitute in above equation

Apply the formula

---> (1)

Substitute the values of  in equation (1).

Solution

.