$\"\"$

\

The integral is $\"\"$ .

\

Definition of absolute function:

\

$\"\"$ , If $\"\"$ and $\"\"$ , If $\"\"$ .

\

Integrand function is $\"\"$ .

\

$\"\"$

\

When $\"\"$ is between $\"\"$ and $\"\"$ , then $\"\"$ .

\

When $\"\"$ is between $\"\"$ and $\"\"$ , then $\"\"$ .

\

Property of the integrals: $\"\"$ .

\

$\"\"$

\

$\"\"$

\

Power rule of integration: $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .