Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 10th
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Let A = {1, 2, 3, 7} and B = {3, 0, –1, 7}, the following is relation from A to B? R3 = {(2, –1), (7, 7), (1, 3)} - Mathematics

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Sum

Let A = {1, 2, 3, 7} and B = {3, 0, –1, 7}, the following is relation from A to B?

R3 = {(2, –1), (7, 7), (1, 3)}

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Solution

A = {1, 2, 3, 7} B = {3, 0, –1, 7}

A × B = {1, 2, 3} × {3, 0, –1, 7}

A × B = {(1, 3) (1, 0) (1, –1) (1, 7) (2, 3) (2, 0) (2, –1) (2, 7) (3, 3) (3, 0) (3, –1) (3, 7) (7, 3) (7, 0) (7, –1) (7, 7)}

R3 = {(2, –1), (7, 7), (1, 3)}

Yes, It is a relation

Concept: Relations
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APPEARS IN

Tamil Nadu Board Samacheer Kalvi Class 10th SSLC Mathematics Answers Guide
Chapter 1 Relations and Functions
Exercise 1.2 | Q 1. (iii) | Page 9
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