1.Relation and Function
normal

Which of the following function is inverse function

A

$f(x) = \frac{1}{{x - 1}}$

B

$f(x) = {x^2}$ for all$x$

C

$f(x) = {x^2}$, $x \ge 0$

D

$f(x) = {x^2},\;x \le 0$

Solution

(a) For finding inverse of any function, function should be bijective. 

Since $f(x) = \frac{1}{{x – 1}}$ is bijective function.

Standard 12
Mathematics

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