1.

The angle between the pair of lines represented by \[2{{x}^{2}}-7xy+3{{y}^{2}}=0\], is                                  [Kurukshetra CEE 2002]

A. \[{{60}^{o}}\]
B. \[{{45}^{o}}\]
C. \[{{\tan }^{-1}}\left( \frac{7}{6} \right)\]
D. \[{{30}^{o}}\]
Answer» B. \[{{45}^{o}}\]


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