Question

if r bar=xi+yj+zk is the position vector of any point on the surface of a sphere and the centre of the sphere is at (alpha,beta,gamma) having radius R, then write the vectorial equation of the sphere.

Answer 1

hope this helps you to understand

Answer 2

Answer:

A sphere is the locus of a point which moves in space such that its distance from a fixed point always remains constant.

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