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Let A = {3,5}, B = {7,1}. Let R = {(a,...

Let A = {3,5}, B = {7,1}.
Let R = {(a,b): `ainA, binB, a-b` is even}.
Show that R is an universal relation from A to B.

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To show that the relation \( R \) is a universal relation from set \( A \) to set \( B \), we need to demonstrate that \( R \) is equal to the Cartesian product \( A \times B \). ### Step-by-step Solution: 1. **Define the Sets**: - Let \( A = \{3, 5\} \) - Let \( B = \{7, 11\} \) ...
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