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Ex 1.4
Ex 1.4 ,1 (ii) Important Deleted for CBSE Board 2023 Exams
Ex 1.4 ,1 (iii) Deleted for CBSE Board 2023 Exams
Ex 1.4 ,1 (iv) Important Deleted for CBSE Board 2023 Exams
Ex 1.4 ,1 (v) Deleted for CBSE Board 2023 Exams
Ex 1.4, 2 (i) Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 2 (ii) Deleted for CBSE Board 2023 Exams
Ex 1.4, 2 (iii) Deleted for CBSE Board 2023 Exams
Ex 1.4, 2 (iv) Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 2 (v) Deleted for CBSE Board 2023 Exams
Ex 1.4, 2 (vi) Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 3 Deleted for CBSE Board 2023 Exams
Ex 1.4, 4 Deleted for CBSE Board 2023 Exams
Ex 1.4, 5 Deleted for CBSE Board 2023 Exams
Ex 1.4, 6 Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 7 Deleted for CBSE Board 2023 Exams
Ex 1.4, 8 Deleted for CBSE Board 2023 Exams
Ex 1.4, 9 (i) Deleted for CBSE Board 2023 Exams
Ex 1.4, 9 (ii) Deleted for CBSE Board 2023 Exams
Ex 1.4, 9 (iii) Deleted for CBSE Board 2023 Exams
Ex 1.4, 9 (iv) Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 9 (v) Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 9 (vi) Deleted for CBSE Board 2023 Exams
Ex 1.4, 10 Deleted for CBSE Board 2023 Exams
Ex 1.4, 11 Important Deleted for CBSE Board 2023 Exams
Ex 1.4, 12 Deleted for CBSE Board 2023 Exams
Ex 1.4, 13 (MCQ) Important Deleted for CBSE Board 2023 Exams You are here
Last updated at March 16, 2023 by Teachoo
Ex 1.4, 13 Consider a binary operation * on N defined as a * b = a3 + b3. Choose the correct answer. (A) Is * both associative and commutative? (B) Is * commutative but not associative? (C) Is * associative but not commutative? (D) Is * neither commutative nor associative? Check commutative * is commutative if a * b = b * a Since a * b = b * a, ∀ a, b ∈ N * is commutative Check associative * is associative if (a * b) * c = a * (b * c) Since (a * b) * c ≠ a * (b * c), ∀ a, b, c ∈ N * is not associative Hence, B is the correct answer