Question #7fdfd
1 Answer
Jun 2, 2016
(1)
Explanation:
Rewriting the original function,
#f(x)=g(x)/2+g(-x)/2+2h(x)+2h(-x)#
Differentiating, and using the chain rule on
#f'(x)=(g'(x))/2-(g'(-x))/2+2h'(x)-2h'(-x)#
So:
#f'(0)=(g'(0))/2-(g'(0))/2+2h'(0)-2h'(0)#
#f'(0)=0#