If \(\mathrm{R}=\left\{(x, y): x, y \in Z, x^2+3 y^2 \leq 8\right\}\) is a relation on the set of integers \(Z\), then t…

If \(\mathrm{R}=\left\{(x, y): x, y \in Z, x^2+3 y^2 \leq 8\right\}\) is a relation on the set of integers \(Z\), then the domain of \(\mathrm{R}^{-1}\) is:

[JEE Main 2020, 2 Sep (Shift 1)]