1.

The angle between the pair of tangents drawn to the ellipse \[3{{x}^{2}}+2{{y}^{2}}=5\] from the point (1, 2), is          [MNR 1984]

A.            \[{{\tan }^{-1}}\left( \frac{12}{5} \right)\]                                  
B.            \[{{\tan }^{-1}}(6\sqrt{5})\]
C.            \[{{\tan }^{-1}}\left( \frac{12}{\sqrt{5}} \right)\]                       
D.            \[{{\tan }^{-1}}(12\sqrt{5})\]
Answer» D.            \[{{\tan }^{-1}}(12\sqrt{5})\]


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