JEE Main 2025 (Online) 4th April Morning ShiftQuestion 41
Consider the sets $A=\{(x,y)\in\mathbb{R}\times\mathbb{R}:x^{2}+y^{2}=25\}$, $B=\{(x,y)\in\mathbb{R}\times\mathbb{R}:x^{2}+9y^{2}=144\}$, $C=\{(x,y)\in\mathbb{Z}\times\mathbb{Z}:x^{2}+y^{2}\le4\}$ and $D=A\cap B$. The total number of one-one functions from the set $D$ to the set $C$ is:
Sets, Relations and Function