Let A= x R : -1<x<1 . Which of the following is/are bijective functions from A to itself? 1. f(x)=x|x| 2. g(x)= ( x) Select the correct answer using the code given below :

NDA 2024 Mathematics question

Let . Which of the following is/are bijective functions from to itself? 1. 2. Select the correct answer using the code given below :

Answer: (A)

1: for and for . It is strictly increasing and takes every value in exactly once, so it is a bijection of onto itself. 2: $g(-x)

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Question ID VK-029793