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NDA2011MathematicsThree Dimensional GeometryActual

What is the radius of the sphere x^2+y^2+z^2-x-y-z=0 ?

Options

  1. A3 4
  2. B1 2
  3. C3 2
  4. D1 3

Correct answer

A. 3 4

Step-by-step solution

The correct answer is option (A).

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