SOLUTION: show that (g of f)(x)=x and (f of g)(x)=x f(x)=2/(1-x) g(x)=(x-2)/x

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Question 681877: show that (g of f)(x)=x and (f of g)(x)=x
f(x)=2/(1-x)
g(x)=(x-2)/x

Answer by ReadingBoosters(3246)   (Show Source): You can put this solution on YOUR website!
(gof)(x) =
=
...
=
...
=
...
=
...
=
...
= x
(fog)(x) =
=
...
=
...
=
...
=
...
= x
.....................
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