A) \[64\]
B) \[134\]
C) \[194\]
D) \[1/49\]
Correct Answer: C
Solution :
\[x=\frac{1}{y}=7+4\sqrt{3}.y=\frac{1}{x}=7-4\sqrt{3}\] \[\frac{1}{{{x}^{2}}}+\frac{1}{{{y}^{2}}}={{x}^{2}}+{{y}^{2}}=194\]You need to login to perform this action.
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