Question:medium

If the line through the points A(k,1,-1) and B(2k,0,2) is perpendicular to the line through the points B and C(2+2k,k,1), then the value of k is

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Perpendicular lines have zero dot product of direction vectors.

Updated On: Mar 19, 2026

-1
1
-3
3

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The Correct Option is D

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