Math, asked by ttttttiiiiiiii, 10 months ago

If f(x) =x+3/4x-5

g(x) =3+5x/4x-1

then verify that (fog) (x) = x.​

Answers

Answered by ankitphanzira
11

Answer:

Step-by-step explanation:

Given:

f(x)=x+3/4x-5

g(x)=3+5x/4x-1

then,

f.g(X)=f{g(X)}

=f{3+5x/4x-1}

={(3+5x)/(4x-1)+3}/{4(3+5x)/(4x-1)-5}

={(3+5x+12x-3)/12+20x-20x+5}

= X (proved). .........

Similar questions