Answer to Question #127921 in Discrete Mathematics for jaya

Question

(b) Let A be the set {1,2,3,4,5,6}.Which orders pairs are in the following relations on A.
(i) R1 = {(a,b) : a divides b}
(ii) R2 = {(a,b) : a ≤ b}
(iii) R3 = {(a,b) : a
2 = b}
(iv) R4 = {(a,b) : a + b ≤ 5}
(v) R5 = {(a,b) : a = 2 and a + 2b ≤ 10}

Answer 1

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