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AP EAMCET202022 Sep 2020Evening ShiftMathematicsVector AlgebraActual

If a , b and c are position vectors of the vertices of A B C , then ( a - c ) ( b - a ) ( b - a ) ( c - a ) =

Options

  1. AC
  2. BA
  3. CC
  4. D- A

Correct answer

B. A

Step-by-step solution

( a - c ) ( b - a ) ( b - a ) ( c - a ) = C A A B A B A C Hence, option (2) is correct.

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