1.Consider the sets A={(x,y)∈R×R:x2+y2=25}A = \{(x, y) \in \mathbb{R} \times \mathbb{R} : x^2 + y^2 = 25\}A={(x,y)∈R×R:x2+y2=25}, B={(x,y)∈R×R:x2+9y2=144}B = \{(x, y) \in \mathbb{R} \times \mathbb{R} : x^2 + 9y^2 = 144\}B={(x,y)∈R×R:x2+9y2=144}, C={(x,y)∈Z×Z:x2+y2≤4}C = \{(x, y) \in \mathbb{Z} \times \mathbb{Z} : x^2 + y^2 \le 4\}C={(x,y)∈Z×Z:x2+y2≤4}, and D=A∩BD = A \cap BD=A∩B. The total number of one-one functions from the set DDD to the set CCC is:Login to continueOnly logged in users canattempt or see the solution.
