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AP EAMCET202423 May 2024Morning ShiftMathematicsVector AlgebraActual

A unit vector perpendicular to the vectors a =2 i +3 j +4 k and b =3 j +2 k is

Options

  1. A3 i +2 j -2 k 22
  2. B3 i +2 j -3 k 22
  3. C3 i -2 j +3 k 22
  4. D3 i +2 j +3 k 22

Correct answer

B. 3 i +2 j -3 k 22

Step-by-step solution

a b = | array ccc i & j & k 2 & 3 & 4 0 & 3 & 2 array |=-6 i -4 j +6 k Unit vector perpendicular to a and b = 3 i +2 j -3 k 22

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