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If is a relation in Z, then domain of R is
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a
0, 1, 2
b
0, -1, -2
c
-2, -1, 0, 1, 2
d
None of these
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Correct option is C
∵R=x,y|x,y∈Z, x2+y2≤4∴R={-2, 0, -1, 0, -1, 1, 0, -1, 0, 1, 0, 2, 0, -2, 1, 0, 1, 1, 2, 0}Hence, Domain of R=-2, -1, 0, 1, 2.
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Let R be a relation of N defined by . The domain of R is
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