If R = {x, y) : x, y ÃŽ Z, x2 + y2 Â£ 4} is a relation in z, then – McqOptions

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1.	If R = {x, y) : x, y ÃŽ Z, x2 + y2 Â£ 4} is a relation in z, then domain of R is
A.	{0, 1, 2}
B.	{â€“ 2, â€“ 1, 0}
C.	{â€“ 2, â€“ 1, 0, 1, 2}
D.	none of these
Answer» D. none of these

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