1.

The angle between the lines \[2x=3y=-z\] and \[6x=-y=-4z\],  is [MP PET 1994, 99; AIEEE 2005]

A.                                                               \[0{}^\circ \]
B.                                                               \[30{}^\circ \]
C.                                                               \[45{}^\circ \]
D.                                                               \[90{}^\circ \]
Answer» E.


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