If a sphere of constant radius 'k' passes through the origin and meets the axis in A, B…

Mathematics · JEE Main · NTA Exams — Co-ordinate Geometry

1. \(x^{2}+y^{2}+z^{2}=k^{2}\)
2. \(x^{2}+y^{2}+z^{2}=4 k^{2}\)
3. \(9\left[x^{2}+y^{2}+z^{2}\right]=4 k^{2}\)
4. \(9\left[x^{2}+y^{2}+z^{2}\right]=k^{2}\)

Answer

(C) 9 [x^ 2 +y^ 2 +z^ 2 ]=4 k^ 2

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