A) \[{{x}^{2}}-{{y}^{2}}=0\]
B) \[{{x}^{2}}-{{y}^{2}}=xy\]
C) \[({{x}^{2}}-{{y}^{2}})\cot \theta =2xy\]
D) None of these
Correct Answer: A
Solution :
Equation of bisectors is given by \[\frac{{{x}^{2}}-{{y}^{2}}}{a-b}=\frac{xy}{h}\] or \[\frac{{{x}^{2}}-{{y}^{2}}}{0}=\frac{xy}{\cot \theta }\]or \[{{x}^{2}}-{{y}^{2}}=0\] .
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