The lines (x-7)/(k)=(y-3)/(1)=(z-4)/(1) ...

The lines `(x-7)/(k)=(y-3)/(1)=(z-4)/(1)` and `(x-8)/(1)=(y-2)/(1)=(3-z)/(k)` are coplannar then k = ......

A

0,4

B

1,-1

C

-1

D

1

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The correct Answer is:

C

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