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Answer any six questions from 1 to 8. Each carry 3 scores.1 (6 x 3 = 171.. (1) Let R be a relation in the set IN of natural numbers given by R = {(a, b) : a = b-2).Choose the correct answer.(a) (2, 3) e R(b) (3,8) ER(c) (6,8) ER(d) (8, 7) ER(ii) Let * be a binary operation defined on the set Z of integers as a * b = a + b + 1.Then find the identity element.(1)Write two non-zero matrices A and B for which AB = 0. |
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Answer» Answer: Consider,A = [1-1/3-3] and B = [1 2/1 2] AB = [1 x 1 + (-1) x 11 x 2 + (-1) x 2/ 3 x 1 + (-3) x 1 3 x 2 + (-3) x 2] AB = [00/00] = 0 |
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