$\"\"$

\

The integral is $\"\"$ .

\

Find the integral using trigonometric substitution.

\

Let $\"\"$ .

\

Differentiate on each side.

\

$\"\"$

\

$\"\"$ .

\

$\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

From the table of integrals Formula 24:

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Replace $\"\"$ in the above expression.

\

$\"\"$ $\"\"$ .

\

$\"\"$

\

$\"\"$ $\"\"$ .