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MHT CET202312 May 2023Morning ShiftMathematicsVector AlgebraActual

The centroid of tetrahedron with vertices at A(-1,2,3), B(3,-2,1), C(2,1,3) and D(-1,-2,4) is

Options

  1. A( 3 4 , -1 4 , 11 4 )
  2. B( 5 4 , -3 4 , 7 4 )
  3. C( -3 4 , -1 4 , 11 4 )
  4. D( -5 4 , -3 4 , -7 4 )

Correct answer

A. ( 3 4 , -1 4 , 11 4 )

Step-by-step solution

Centroid of tetrahedron aligned & ( -1+3+2-1 4 , 2-2+1-2 4 , 3+1+3+4 4 ) & ( 3 4 , -1 4 , 11 4 ) aligned

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