The inequality is $\"\"$ .

Comparison property of integrals :

If $\"\"$ for $\"\"$ , then $\"\"$ .

Consider the integrand function as $\"\"$ .

$\"\"$

Here integrand function $\"\"$ for $\"\"$ .

Hence by the comparison property of integrals, $\"\"$ .

$\"\"$ .

The inequality is verified.

$\"\"$ .