The Direction Ratios of line Perpendicular to The Lines

The direction ratios of the line perpendicular to the lines with direction ratios <1, -2, -2> and <0, 2, 1> are

  1. <2, -1, 2>
  2. <-2, 1, 2>
  3. <2, 1, -2>
  4. <-2,
Anurag Mishra Professor Asked on 30th September 2015 in Maths.
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