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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. | |