Find the equation the equation of sphere cocentric with sphere `2x^2+2y^2+2z^2-6x+2y-4z=1` and double its radius.

Find the equation the equation of sphere concentric with sphere 2x^2+2y^2+2z^2-6x+2y-4z=1 but double its radius.

The equations of the sphere concentric with the sphere 2x^(2) +2y^(2) +2z^(2) - 6x +2y -4 z =1 and double its radius is :

The equation of the sphere concentric with the sphere 2x^2+2y^2+2z^2-6x+2y-4z=1 and double its radius is (A) x^2+y^2+z^2-x+y-z=1 (B) x^2+y^2+z^2-6x+2y-4z=1 (C) 2x^2+2y^2+2z^2-6x+2y-4z-15=0 (D) 2x^2+2y^2+2z^2-6x+2y-4z-25=0

Find the equation of the sphere concentric with the sphere x^2+y^2+z^2+4x-6y+8z-5=0 and passing through origin.

Write the equation of the sphere concentric with the sphere x^2+y^2+z^2-4x-2x-2y+2z-30=0 and passing through the origin.

Find the equation of the sphere which touches the sphere x^(2)+y^(2)+z^(2)+2x-6y+1=0 at (1,2,-2) and pass through the origin

Find the centre and radius of the sphere 2x^2+2y^2+2z^2-2x-4y+2z+3=0 .

Find the centre and radius of the sphere 2x^2+2y^2+2z^2-2x-4y+2z+3=0 .

Find the centre and radius of the sphere 2x^2+2y^2+2z^2-2x-4y+2z+3=0 .