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NDA2014MathematicsThree Dimensional GeometryActual

Consider a sphere passing through the origin and the points (2,1,-1),(1,5,-4),(-2,4,-6) . What is the centre of the sphere?

Options

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

Correct answer

A. (-1,2,-3)

Step-by-step solution

The correct answer is option(A)

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