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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 radius of the sphere?

Options

  1. A12
  2. B14
  3. C12
  4. D14

Correct answer

B. 14

Step-by-step solution

The correct answer is option(B)

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