
Learn in your speed, with individual attention - Teachoo Maths 1-on-1 Class
Binary Operations
Ex 1.4 ,1 (ii) Important Deleted for CBSE Board 2024 Exams
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Ex 1.4, 9 (i) Deleted for CBSE Board 2024 Exams You are here
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Binary Operations
Last updated at May 29, 2023 by Teachoo
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 : • a * b = a − b Check commutative * is commutative if a * b = b * a Since a * b ≠ b * a * is not commutative Check associative * is associative if (a * b) * c = a * (b * c) Since (a * b) * c ≠ a * (b * c) * is not an associative binary operation