1.

If f(x) is a real valued and differentaible function on R and f(x+y)=(f(x)+f(y))/(1-f(x)f(y)), then show that f'(x)=f'(0)[1+t^(2)(x)].

Answer»


ANSWER :`F'(0)[1+t^(2)(X)].`


Discussion

No Comment Found

Related InterviewSolutions