A) {(1, 1), (2, 1), (3, 1), (4, 1), (2, 3)}
B) {(2, 2), (3, 2), (4, 2), (2, 4)}
C) {(3, 3), (3, 4), (5, 4), (4, 3), (3, 1)}
D) None of these
Correct Answer: D
Solution :
Here \[R=\{(x,\,y)\,:\,|{{x}^{2}}-{{y}^{2}}|\,<\,16\}\] and given \[A=\{1,\,2,\,3,\,4,\,5\}\] \\[R=\{(1,\,2)\,(1,\,3)\,(1,\,4);\,(2,\,1)\,(2,\,2)\,(2,\,3)\,(2,\,4);\,(3,\,1)\,(3,\,2)\,\] \[(3,\,3)(3,\,4);\,(4,\,1)\,(4,\,2)\,(4,\,3);\,(4,\,4)\,(4,\,5),\,(5,\,4)\,(5,\,5)\}\].
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