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NDA2011MathematicsThree Dimensional GeometryActual

The equation to sphere passing through origin and the points (-1,0,0),(0,-2,0) and (0,0,-3) is x^2+y^2+z^2+f(x, y, z)=0 . What is f(x, y, z) equal to?

Options

  1. A-x-2 y-3 z
  2. Bx+2 y+3 z
  3. Cx+2 y+3 z-1
  4. Dx+2 y+3 z+1

Correct answer

B. x+2 y+3 z

Step-by-step solution

The correct answer is option B

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