# #f(2)=f(4)=g'(2)=g'(4)=2# and #g(2)=g(4)=f'(2)=f'(4)#. If #h(x)=f(g(x))#, then #h'(2)#?

##### 1 Answer

Jun 5, 2018

where

It seems that the problem is incomplete.

#### Explanation:

By the chain rule of differentiation

Thus

where