R is a relation from 11, 12, 13 to 8, 10, 12 defined by y=x-3. Then R-1 is

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8, 11, 10, 13

11, 18, 13, 10

10, 13, 8, 11

None of these

answer is A.

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Detailed Solution

R is a relation from R is a relation from 11, 12, 13 to 8, 10,12 defined byy=x-3⇒x-y=3∴ R=11, 8, 10, 13.

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