JEE MATHEMATICS MCQ: FUNCTIONS

1 Easy

1 of 1

Application +4 | -1

f\left( x \right) = \frac{{1 - x}}{{1 + x}}\left( {x \ne - 1} \right)

, then

{f^{ - 1}}\left( x \right)

equals to

View answer and explanation

Correct option: A

f\left( x \right)

Option A (f(x)) is correct because the inverse function of f(x) is equal to f(x) itself, meaning f(x) is self-inverse.

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