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Let f and g be real functions defined b...

Let `f ` and `g` be real functions defined by `f(x)=x/(x+1) a n d g(x)=x/(1-3)dot`
Then`(fog)^(-1) (x) = (1) x (2) 2x (3) 3x (4) 4x`

Text Solution

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`(fog)^-1 (x) = (g^-1 o f^-1) (x)`

Since, `f (x) = x + 1 ,y = x + 1`

`xy + y = x`

`x (1 – y) = y`

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