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Solution for If R is a Relation on the Set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} Given by X R Y ⇔ Y = 3 X, Then R = (A) {(3, 1), (6, 2), (8, 2), (9, 3)} (B) {(3, 1), (6, 2), (9, 3)} (C) {(3, 1), (2, 6), (3, 9)} (D) - CBSE (Commerce) Class 12 - Mathematics

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Question

If R is a relation on the set A = {1, 2, 3, 4, 5, 6, 7, 8, 9} given by x R y ⇔ y = 3 x, then R =
(a) {(3, 1), (6, 2), (8, 2), (9, 3)}
(b) {(3, 1), (6, 2), (9, 3)}
(c) {(3, 1), (2, 6), (3, 9)}
(d) none of these

Solution

(d) none of these
The relation R is defined as

R = (x, y) : x, ∈ A : y = 3}

⇒ R = (1, 3), (2, 6), (3, 9}

  Is there an error in this question or solution?
Solution If R is a Relation on the Set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} Given by X R Y ⇔ Y = 3 X, Then R = (A) {(3, 1), (6, 2), (8, 2), (9, 3)} (B) {(3, 1), (6, 2), (9, 3)} (C) {(3, 1), (2, 6), (3, 9)} (D) Concept: Types of Relations.
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