Practice Relations & Functions - Class 12th Hindi Medium Offered by Unacademy

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Relations & Functions

Quick practice

Question 1 of 5

Which of the following operations is not a binary operation?

A

$* : N \rightarrow N \ { defined \ as\ } a * b=b+\frac{3}{2}$

B

$* :Z \rightarrow Z \ { defined\ as\ } x * y=\frac{x y+1}{x}$

C

$* : R \rightarrow R\ defined\ as \ a * b=a+1$

D

$*:\{1,2,3,4,5,6\} \ defined \ as\ a * b=a-b$ is divisible by 2

Concepts

Binary Operations