If R = {(x,y); x,y ∈ Z, x2 + y2 ≤ 4} is a relation in set Z, then domain of R is :(a) {0,1,2}(b) {-2,-1,0,1,2}(c) {0,-1,-2}(d) {-1,0,1}

If R = {(x,y); x,y ∈ Z, x2 + y2 ≤ 4} is a relation in set Z, the

1.	If R = {(x,y); x,y ∈ Z, x2 + y2 ≤ 4} is a relation in set Z, then domain of R is :(a) {0,1,2}(b) {-2,-1,0,1,2}(c) {0,-1,-2}(d) {-1,0,1}
Answer» Option : (b) {-2,-1,0,1,2}

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If R = {(x,y); x,y ∈ Z, x2 + y2 ≤ 4} is a relation in set Z, then domain of R is :(a) {0,1,2}(b) {-2,-1,0,1,2}(c) {0,-1,-2}(d) {-1,0,1}

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