1.

If the bisectors of the angles of the lines represented by \[3{{x}^{2}}-4xy+5{{y}^{2}}=0\] and \[5{{x}^{2}}+4xy+3{{y}^{2}}=0\] are same, then the angle made by the lines represented by first with the second, is

A. \[{{30}^{o}}\]
B. \[{{60}^{o}}\]
C. \[{{45}^{o}}\]
D. \[{{90}^{o}}\]
Answer» E.


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