The angle between two lines \[\frac{x+1}{2}=\]\[\frac{y+3}{2}=\frac{z-4}{-1}\] and \[\frac{x-4}{1}=\frac{y+4}{2}=\frac{z+1}{2}\] is [MP PET 1996]

\[{{\cos }^{-1}}\left( \frac{1}{9} \right)\]

\[{{\cos }^{-1}}\left( \frac{2}{9} \right)\]

\[{{\cos }^{-1}}\left( \frac{3}{9} \right)\]

\[{{\cos }^{-1}}\left( \frac{4}{9} \right)\]

The angle between two lines \[\frac{x+1}{2}=\]\[\frac{y+3}{2}=\frac{z-

1.	The angle between two lines \[\frac{x+1}{2}=\]\[\frac{y+3}{2}=\frac{z-4}{-1}\] and \[\frac{x-4}{1}=\frac{y+4}{2}=\frac{z+1}{2}\] is [MP PET 1996]
A.	\[{{\cos }^{-1}}\left( \frac{1}{9} \right)\]
B.	\[{{\cos }^{-1}}\left( \frac{2}{9} \right)\]
C.	\[{{\cos }^{-1}}\left( \frac{3}{9} \right)\]
D.	\[{{\cos }^{-1}}\left( \frac{4}{9} \right)\]
Answer» E.

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The angle between two lines \[\frac{x+1}{2}=\]\[\frac{y+3}{2}=\frac{z-4}{-1}\] and \[\frac{x-4}{1}=\frac{y+4}{2}=\frac{z+1}{2}\] is [MP PET 1996]

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