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Manipal MET2020MathematicsVector Algebra

The number of vectors of unit length perpendicular to vectors a = i + j and b = j + k , is

Options

  1. Ainfinite
  2. Bone
  3. Ctwo
  4. Dthree

Correct answer

C. two

Step-by-step solution

Vector which is perpendicular to vertors a and b , is a b or b a . Hence, two vectors are possible which are perpendicular to a and b .

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