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MHT CET202020 Oct 2020Morning ShiftMathematicsVector AlgebraActual

If a =2 +3 + k , b =4 +5 +3 k and c =6 + j +5 k are the position vectors of the vertices of a triangle ABC respectively, then the position vector of the intersection of the medians of the triangle ABC is

Options

  1. A4 +3 +3 k
  2. B2 +3 +3 k
  3. C5 +3 +3 k
  4. D3 +3 +4 k

Correct answer

A. 4 +3 +3 k

Step-by-step solution

Centroid ( g )= a + b + c 3 = 12 i +9 j +9 k 3 =4 i +3 j +3 k

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