$\"\"$

The integral is $\"\"$ .

Integration by parts is $\"\"$ .

Consider $\"\"$ and $\"\"$ .

$\"\"$ .

Differentiate on each side.

$\"\"$ .

$\"\"$

Integrate on both sides.

$\"\"$ .

Substiute the corresponding values in the integration by parts formula.

$\"\"$

Consider the integral $\"\"$ .

$\"\"$ .

Differentiate on each side.

$\"\"$ .

$\"\"$ \ \

Integrate on both sides.

$\"\"$ . \ \

Substiute the corresponding values in the integration by parts formula.

$\"\"$

$\"\"$ .