$\"\"$

(a)

The function is $\"\"$ .

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

$\"\"$

Apply chain rule : $\"\"$ .

$\"\"$

The derivative of the function with respect to $\"\"$ is $\"\"$

$\"\"$

(b) \ \

The function is $\"\"$ .

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

$\"\"$

Apply chain rule : $\"\"$ .

$\"\"$

The derivative of the function with respect to $\"\"$ is $\"\"$ .

$\"\"$

(a) The derivative of the function with respect to $\"\"$ is $\"\"$

(b) The derivative of the function with respect to $\"\"$ is $\"\"$ .