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in Mathematics by (122k points)
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 = +-3`
B. `k = +-1`
C. `k=0, -1`
D. `k=0,-3`

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1 Answer

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by (122k points)
Correct Answer - D

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