$\"\"$

The function is $\"\"$ .

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

$\"\"$ .

Quotient rule of differentiation : $\"\"$ .

$\"\"$

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

$\"\"$

$\"\"$ .

$\"\"$

Graph:

Graph the functions $\"\"$ and $\"\"$ .

$\"\"$

The pattern of derivative field is matched with the graph of the derivative function.

Hence the result is verified.

$\"\"$ .