Introducing your new favourite teacher - Teachoo Black, at only ₹83 per month
Whether binary commutative/associative or not
Ex 1.4, 12 Deleted for CBSE Board 2023 Exams
Example 34 Deleted for CBSE Board 2023 Exams
Example 35 Deleted for CBSE Board 2023 Exams You are here
Ex 1.4, 4 Deleted for CBSE Board 2023 Exams
Ex 1.4, 5 Deleted for CBSE Board 2023 Exams
Associative Binary Operations
Ex 1.4, 13 (MCQ) Important Deleted for CBSE Board 2023 Exams
Example 36 Deleted for CBSE Board 2023 Exams
Example 37 Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 2 (i) Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 9 (i) Deleted for CBSE Board 2023 Exams
Example 45 (a) Deleted for CBSE Board 2023 Exams
Ex 1.4, 6 Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 8 Deleted for CBSE Board 2023 Exams
Misc 12 Deleted for CBSE Board 2023 Exams
Whether binary commutative/associative or not
Last updated at Dec. 8, 2016 by Teachoo
Example 35 Show that ∗ : R × R → R defined by a ∗ b = a + 2b is not commutative. We have to prove it is not commutative i.e. a * b ≠ b * a a + 2b ≠ b +2a Let a = 3, b = 4 Since a * b ≠ b * a * is not commutative.