Find the equation of the sphere concentric with x2 + y2 + z2 + 2x + 2y + 2z - 1 = 0 nd having radius as 3 units.
1
x2 + y2 +z2 + 2x + 2y + 2z - 6 = 0
2
x2 + y2 +z2 + 2x + 2y - 2z - 6 = 0
3
x2 + y2 +z2 + 2x + 2y + 4z - 6 = 0
4
x2 - y2 +z2 - 2x - 2y + 2z - 6 = 0