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The lines : (x-2)/1=(y-3)/1=(z-4)/(-k) a...

The lines : `(x-2)/1=(y-3)/1=(z-4)/(-k)` and `(x-1)/k =(y-4)/2 =(z-5)/1` are co-planar if :

A

K =2

B

K = 0

C

K = 3

D

K = -1

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The correct Answer is:
B
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HIMALAYA PUBLICATION-COMMON ENTRANCE TEST - 2014-QUESTION BANK
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