\Find the equation of sphere having `(2,-3,1)` and `(3,-1,2)` as end points of diameter.

Find the equation of the sphere on the join of (2,3,5) and (4,9,-3) as ends of diameter.

Find the equation of the circle with the line joining (2,3) and (-2,-1) as diameter. Find the equation of the tangent at the point (2,3) to this circle.

Find the equation of the circle, the coordinates of the end points of whose diameter are (-1,2)a n d(4,-3)dot

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

Obtain the equation of the sphere with the points (1, -1, 1) and (3, -3, 3) as the extremities of a diametre and find the coordinate of its centre.

Obtain the equation of the sphere with the points (1, -1, 1) and (3, -3, 3) as the extremities of a diametre and find the coordinate of its centre.

Obtain the equation of the sphere with the points (1, -1, 1) and (3, -3, 3) as the extremities of a diametre and find the coordinate of its centre.

Obtain the equation of the sphere with the points (1, -1, 1) and (3, -3, 3) as the extremities of a diametre and find the coordinate of its centre.