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How to Find the Inverse of a Function

if, F(x)=(1+1...

Question

if, F(x)=(1+1/x)^-1 and g(x)=(x+1/x)^-1 then, what is fog ?

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Similar questions

If f (x) = 2 x - 1, g (x) = \frac{x + 1}{2}, then f o g - g o f =

f (x) = 2 x + 1

g (x) = x - 3

f o g

.

Q. Given, f(x) =

l o g \frac{1 + x}{1 - x}

= \frac{3 x + x^{3}}{1 + 3 x^{2}}

then (fog) (x) equals

Q. Find fog and gof if
(i)

f (x) = e^{x}, g (x) = \log_{e} x

f (x) = x^{2}, g (x) = \cos x

f (x) = | x |, g (x) = \sin x

f (x) = x + 1, g (x) = e^{x}

f (x) = \sin^{- 1} x, g (x) = x^{2}

f (x) = x + 1, g (x) = \sin x

f (x) = x + 1, g (x) = 2 x + 3

f (x) = c, c \in R, g (x) = \sin x^{2}

f (x) = x^{2} + 2, g (x) = 1 - \frac{1}{1 - x}

If f (x) = 2 x - 1, g (x) = \frac{x + 1}{2}, then f o g =

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