Q.

The relation R defined on the set of natural numbers as {(a, b): a differs from b by 3} is given

A. {(1, 4), (2, 5), (3, 6), ….}
B. { (4, 1), (5, 2), (6, 3), ….}
C. {(4, 1), (5, 2), (6, 3), ….}
D. none of the above
Answer» B. { (4, 1), (5, 2), (6, 3), ….}
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