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MHT CET202020 Oct 2020Evening ShiftMathematicsThree Dimensional GeometryActual

The unit vector perpendicular to the plane 4 x-3 y+12 z=15 is

Options

  1. A4 +3 +12 k 13
  2. B4 -3 +12 k 13
  3. C-4 +3 +12 k 13
  4. D-4 -3 +12 k 13

Correct answer

B. 4 -3 +12 k 13

Step-by-step solution

The unit vector perpendicular to plane 4 x-3 y+12 z=15 is 4 i -3 j +12 k 16+9+144 = 4 i -3 j +12 k 13

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