Re: Doubts

Posted by Abhitesh on Feb 06, 2017; 2:38pm
URL: http://discussion-forum.276.s1.nabble.com/Doubts-tp7603095p7603162.html

g'(1)= g(1+h)-g(1)/h

Now f(1+h)=f(1) + f'(1)h = 1+h
=>f-1(1+h) = 1+h = g(1+h)
=>g'(1) = 1