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 20, 2026
  • \(-1\)
  • \(1\)
  • \(-3\)
  • 3
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The Correct Option is A

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