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AP EAMCET201724 Apr 2017Morning ShiftMathematicsVector AlgebraActual

Given a =2 i + j -2 k and b = i + j . If c is a vector such that a c =| c |,| c - a |=2 2 and the angle between a b and c is 30^ , then the value of |( a b ) c |^2 is

Options

  1. A9
  2. B4 9
  3. C9 4
  4. D27 4

Correct answer

C. 9 4

Step-by-step solution

No solution. Refer to answer key.

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