$\"\"$

\

The composite function is $\"\"$ .

\

$\"\"$ is in the form composite function $\"\"$ .

\

Definition of composite function :

\

The notation $\"\"$ means that the function $\"\"$ is applied first and then $\"\"$ is applied.

\

Here $\"\"$ and $\"\"$ .

\

Consider $\"\"$ .

\

Differentiate on each side with respect to $\"\"$ .

\

$\"\"$

\

Consider $\"\"$ .

\

Differentiate on each side with respect to $\"\"$ .

\

$\"\"$

\

\

$\"\"$

\

$\"\"$ .

\

Chain Rule of derivatives: $\"\"$ .

\

Substitute $\"\"$ and $\"\"$ in chain rule.

\

$\"\"$

\

$\"\"$ .

\

$\"\"$

\

$\"\"$ .