A) \[{{y}^{2}}-{{x}^{2}}=0\]
B) \[xy=0\]
C) \[{{x}^{2}}+{{y}^{2}}=2xy\]
D) \[\frac{{{x}^{2}}-{{y}^{2}}}{\sqrt{3}}=\frac{xy}{2}\]
Correct Answer: A
Solution :
\[\frac{{{x}^{2}}-{{y}^{2}}}{\sqrt{3}-\sqrt{3}}=\frac{xy}{-2}\Rightarrow {{x}^{2}}-{{y}^{2}}=0\] .
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