$\"\"$

\

The integral is $\"\"$ .

\

Consider $\"\"$ .

\

Apply derivative on each side with respect to $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

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

\

$\"\"$

\

$\"\"$

\

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

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

Substitute $\"\"$ .

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

The definite integral is $\"\"$ .

\

Consider the integrand as $\"\"$ .

\

Graph the function $\"\"$ on $\"\"$ .

\

$\"\"$

\

Observe the graph:

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .