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NDA 2013
Exam
NDA
Year
2013
Subject
Mathematics
Chapter
Three Dimensional Geometry

NDA 2013 · Mathematics · Three Dimensional Geometry

What is the equation of the sphere with unit radius having centre...

What is the equation of the sphere with unit radius having centre at the origin?

Options

  1. Ax2+y2+z2=0x^2+y^2+z^2=0
  2. Bx2+y2+z2=1x^2+y^2+z^2=1
  3. Cx2+y2+z2=2x^2+y^2+z^2=2
  4. Dx2+y2+z2=3x^2+y^2+z^2=3

Correct answer

B. x2+y2+z2=1x^2+y^2+z^2=1

Step-by-step solution

The correct answer is option 'B'.
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