A relation R in the set of real numbers R defined as ๐‘… = {(๐‘Ž, ๐‘): √๐‘Ž = ๐‘} is a function or not. Justify

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Question 3 (Choice 1) A relation R in the set of real numbers R defined as ๐‘… = {(๐‘Ž, ๐‘): โˆš๐‘Ž = ๐‘} is a function or not. Justify Given ๐‘… = {(๐‘Ž, ๐‘): โˆš๐‘Ž = ๐‘} Here, R is defined in set of Real Numbers So, a โˆˆ R and b โˆˆ R But, โˆš๐‘Ž = ๐‘ is not defined for negative values of a So, R is not a function

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 9 years. He provides courses for Maths and Science at Teachoo.