A relation R in the set of real numbers R defined as 𝑅 = {(𝑎, 𝑏): √𝑎 = 𝑏} is a function or not. Justify
CBSE Class 12 Sample Paper for 2021 Boards
CBSE Class 12 Sample Paper for 2021 Boards
Last updated at Dec. 16, 2024 by Teachoo
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