Differentiate each of the following w.r.t. x:
(i) 
(ii) 
(iii) 
(i) Let y = e4x z = 4x
Formula : 
According to chain rule of differentiation
(ii) Let y = e-5x z = -5x
Formula : 
According to chain rule of differentiation
(iii) Let y =
z = x3
Formula : 
According to chain rule of differentiation
1