1.

The equation of the bisectors of angle between the lines represented by equation \[{{(y-mx)}^{2}}={{(x+my)}^{2}}\]is

A.   \[m{{x}^{2}}+({{m}^{2}}-1)xy-m{{y}^{2}}=0\]  
B.   \[m{{x}^{2}}-({{m}^{2}}-1)xy-m{{y}^{2}}=0\]
C.   \[m{{x}^{2}}+({{m}^{2}}-1)xy+m{{y}^{2}}=0\] 
D.   None of these
Answer» B.   \[m{{x}^{2}}-({{m}^{2}}-1)xy-m{{y}^{2}}=0\]


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