The angle between the lines
\( \mathrm{P} \) \( 2 x=3 y=-z \) and \...
The angle between the lines
\( \mathrm{P} \) \( 2 x=3 y=-z \) and \( 6 x=-y=-4 z \) is:
\( \mathrm{W} \)
(1) \( 0^{\circ} \)
(2) \( 90^{\circ} \)
(3) \( 45^{\circ} \)
(4) \( 30^{\circ} \)
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