Question

If (x) =

5x−2/
6
and g(x) =
6x+2/
5
, Prove that fog(x) = gof(x).

Answer 1

Explanation:

question must be f(x)=5x-2/6

fog(x)= [5(6x+2/5)-2]/6 = [6x+2-2] /6 = x

gof(x)= [6(5x-2/6) +2]/5 = [ 5x-2+2]/5 = x

hence fog(x)=gof(x)