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← Bihar Board Class 12 PYQ
Relations and Functions
Bihar Board Class 12 · Mathematics · 39 past questions
Topic
Types of functions
1
Binary operations
0
Composition of functions
0
Differentiation (inverse trig and composite)
0
Inverse of a function
0
Sets and Cartesian product
0
Types of relations
0
Level
Easy
1
Moderate
0
Tough
0
Year
2026
8
2025
10
2024
3
2023
6
2021
2
2019
4
2018
4
2017
2
2016
1
2015
1
1 of 39 ·
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Q39
2015
If $f(x_1) = f(x_2) \Rightarrow x_1 = x_2, x_2 \in A$, then the function $f : A \to R$
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