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Class 12
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A relation R in the set of real numbers R defined as 𝑅 = {(π‘Ž, 𝑏): βˆšπ‘Ž = 𝑏} is a function or not. Justify

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

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

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.