$\"\"$

The function is $\"\"$ .

First evaluate $\"\"$ .

Substitute $\"\"$ in the function $\"\"$ .

$\"\"$

$\"\"$ .

Evaluate $\"\"$ .

Substitute $\"\"$ in the function $\"\"$ .

$\"\"$

$\"\"$ .

$\"\"$

Find $\"\"$ .

Substitute $\"\"$ and $\"\"$ in the above function.

$\"\"$

$\"\"$ .