The equation of a Sphere having centre (...

The equation of a Sphere having centre (1,2,3) and radius 3 units is . . . .

A

` x^(2) + y^(2) + z^(2) - 2x - 4y - 6x = 0 `

B

` x^(2) + y^(2) + z^(2) - 2x - 4y - 6z + 5 = 0 `

C

` x^(2) + y^(2) + z^(2) - 2x - 4y - 6z - 5 = 0 `

D

None of these

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