Ex 1.4, 9 (v) - Chapter 1 Class 12 Relation and Functions

Last updated at April 16, 2024 by

Ex 1.4, 9 - Chapter 1 Class 12 Relation and Functions - Part 9

Ex 1.4, 9 - Chapter 1 Class 12 Relation and Functions - Part 10

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Ex 1.4, 9 Let * be a binary operation on the set Q of rational numbers as follows. Find which are associative and which are commutative : (v) a * b = ab﷮4﷯ Check commutative * is commutative if a * b = b * a Since a * b = b * a ∀ a, b ∈ Q * is commutative Check associative * is associative if (a * b) * c = a * (b * c) Since (a * b) * c = a * (b * c) ∀ a, b, c ∈ Q * is an associative binary operation

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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 and Computer Science at Teachoo