$\"\"$

\

The integral is $\"\"$ .

\

Let $\"\"$ and $\"\"$ .

\

If $\"\"$ then $\"\"$ .

\

$\"\"$

\

Basic integral formula: $\"\"$ .

\

$\"\"$

\

Substiute $\"\"$ and $\"\"$ .

\

$\"\"$

\

Therefore, $\"\"$ , $\"\"$ and $\"\"$ .

\

$\"\"$

\

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