If R = {(x,y) : x,y in Z , x^2 + y^2 le ...

If R = {(x,y) : x,y `in` Z , `x^2 + y^2 le 4` } is a relation, then domain of R is

A

{0,1,2}

B

{0,-1,-2}

C

{-2,-1,0,1,2}

D

None of the above

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The correct Answer is:

C

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