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

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

A

k=0 or -1

B

k=0 or 1

C

k=0 or -3

D

k=3 or -3

Verified by Experts

The correct Answer is:

C

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