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NDA2012MathematicsVector AlgebraActual

The vectors a ( b a ) is coplanar with :

Options

  1. Aa only
  2. Bb only
  3. CBoth a and b
  4. DNeither a nor b

Correct answer

C. Both a and b

Step-by-step solution

aligned & a ( b a ) & ( a a ) b -( a b ) a & b - a = coplanar with a & b aligned

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