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AP EAMCET2020MathematicsVector Algebra

If a , b , c are unit vectors such that a + b + 3 c = 0 , then the angle between a and b is

Options

  1. A4
  2. B2
  3. C3
  4. D6

Correct answer

C. 3

Step-by-step solution

No solution. Refer to answer key.

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