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COMEDK2012MathematicsVector Algebra

The unit vector in the direction of the vector a +2 b - c is equal to

Options

  1. Aa +2 b - c 6
  2. Ba +2 b - c 2
  3. Ca +2 b - c 4
  4. Da +2 b - c 6

Correct answer

A. a +2 b - c 6

Step-by-step solution

Given that, +2 b-c So, required unit vector = a+2 b-c 1+4+1 = a+2 b- c 6

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