The angle between the pair of straight lines \[{{x}^{2}}+4{{y}^{2}}-7xy=0\], is [MNR 1983]

\[{{\tan }^{-1}}\frac{5}{\sqrt{33}}\]

\[{{\tan }^{-1}}\left( \frac{1}{3} \right)\]

\[{{\tan }^{-1}}\frac{\sqrt{33}}{5}\]

The angle between the pair of straight lines \[{{x}^{2}}+4{{y}^{2}}-7x

1.	The angle between the pair of straight lines \[{{x}^{2}}+4{{y}^{2}}-7xy=0\], is [MNR 1983]
A.	\[{{\tan }^{-1}}\left( \frac{1}{3} \right)\]
B.	\[{{\tan }^{-1}}3\]
C.	\[{{\tan }^{-1}}\frac{\sqrt{33}}{5}\]
D.	\[{{\tan }^{-1}}\frac{5}{\sqrt{33}}\]
Answer» D. \[{{\tan }^{-1}}\frac{5}{\sqrt{33}}\]

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The angle between the pair of straight lines \[{{x}^{2}}+4{{y}^{2}}-7xy=0\], is [MNR 1983]

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