For $x \in R - \left\{ {0,1} \right\}$, Let f1(x) = $1\over x$, f2 (x) = 1 – x and f3 (x) = $1 \over {1 - x}$ be three given functions. If a function, J(x) satisfies (f2 o J o f1) (x) = f3 (x) then J(x) is equal to :

Question

For $x \in R - \left\{ {0,1} \right\}$, Let f₁(x) = $1\over x$, f₂ (x) = 1 – x

and f₃ (x) = $1 \over {1 - x}$ be three given

functions. If a function, J(x) satisfies

(f₂ o J o f₁) (x) = f₃ (x) then J(x) is equal to :

f₁ (x)

$1 \over x$ f₃ (x)

f₂ (x)

f₃ (x)

Solution

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