The angle between the lines\[2x=3y=-z\]and \[6x=-y=-4z\]is
AIEEE Solved Paper-2005
A)\[30{}^\circ \]
B) \[45{}^\circ \]
C) \[90{}^\circ \]
D) \[0{}^\circ \]
Correct Answer:
C
Solution :
If and are DR?s of two lines, then the angle between them is given by The Given equations can be rewritten as and \[\therefore \] Angle between the lines is given by