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MHT CET20226 Aug 2022Morning ShiftMathematicsStraight LinesActual

If A ( x , 4,-1), B (3, x ,-5) and C (2,-2,3) are the vertices and G (2,1,-1) is the centroid of the triangle A B C , then the value of x is

Options

  1. A3
  2. B1
  3. C-2
  4. D2

Correct answer

B. 1

Step-by-step solution

aligned & G ( x+3+2 3 , 4+x-2 3 , -1-5+3 3 ) (2,1,-1) & x=1 aligned

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