JEE Math Practice Question
If R = {(x, y) : x, y $$ \in $$ Z, x2 + 3y2 $$ \le $$ 8} is a relation on the set of integers Z, then the domain of R–1 is :
- A.{0, 1}
- B.{–2, –1, 1, 2}
- C.{–1, 0, 1}
- D.{–2, –1, 0, 1, 2}
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