Question

11. In each part, find an equation of the sphere with center
(2,-1, -3) and satisfying the given condition.
(a) Tangent to the xy-plane Y-3 Z
(b) Tangent to the xz-plane 1,4
(c) Tangent to the yz-plane Y 29
4+1​

Answer 1

Answer:

sorry I don't know the answer......