$\"\"$

\

The function is $\"\"$

\

$\"\"$

\

Use the properties of definite integrals: $\"\"$ . \ \

\

$\"\"$

\

Substitute: $\"\"$ . \ \

\

$\"\"$

\

$\"\"$

\

\

$\"\"$

\

Therefore $\"\"$ .

\

$\"\"$

\

Use the properties of definite integrals: $\"\"$ . \ \

\

$\"\"$

\

Substitute: $\"\"$ . \ \

\

$\"\"$

\

$\"\"$

\

$\"\"$