CBSE Class 12 Sample Paper for 2021 Boards

CBSE Class 12 Sample Paper for 2020 Boards →
Class 12
Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Question 3 (Choice 1) - CBSE Class 12 Sample Paper for 2021 Boards - Solutions of Sample Papers and Past Year Papers - for Class 12 Boards

Last updated at April 16, 2024 by

A relation R in the set of real numbers R defined as 𝑅 = {(𝑎, 𝑏): √𝑎 = 𝑏} is a function or not. Justify

A relation R in the set of real numbers R defined as R = {(a, b): root

Transcript

Question 3 (Choice 1) A relation R in the set of real numbers R defined as 𝑅 = {(𝑎, 𝑏): √𝑎 = 𝑏} is a function or not. Justify Given 𝑅 = {(𝑎, 𝑏): √𝑎 = 𝑏} Here, R is defined in set of Real Numbers So, a ∈ R and b ∈ R But, √𝑎 = 𝑏 is not defined for negative values of a So, R is not a function

Go Ad-free
Davneet Singh's photo - Co-founder, Teachoo

Made by

Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.