Differentiate w.r.t. x the function
Let y = 
⇒ 
Substituting the value of 
in y.
∴ y = 
⇒ y = x/2
Differentiating both sides with respect to x, we get
∴ 
6
Differentiate w.r.t. x the function
Let y =
⇒
Substituting the value of in y.
∴ y =
⇒ y = x/2
Differentiating both sides with respect to x, we get
∴