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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=1 or -1

B

k=0 or -3

C

k=3 or -3

D

k=0 or -1

Text Solution

Verified by Experts

The correct Answer is:
B
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