Q.
The relation R defined on the set A={1, 2, 3, 4, 5} by R=x, y: x2-y2<16 is given by
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a
1, 1, 2, 1, 3, 1, 4, 1, 2, 3
b
2, 2, 3, 2, 4, 2, 2, 4
c
3, 3, 3, 4, 5, 4, 4, 3, 3, 1
d
None of these
answer is D.
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Detailed Solution
Here R=x, y:x2-y2<16 and given A=1, 2, 3, 4, 5∴R={1, 21, 31, 4; 2, 12, 22, 32, 4;3, 13, 2(3, 3)(3, 4); 4, 14, 24, 3; 4, 44, 5, (5, 4)(5, 5)}.
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