Teaching MPPSC Assistant Professor Mock Test Series 2025 Mathematics Three Dimensional Geometry Conic 3D
If S1 = 0 and S2 = 0 are the equations of a sphere, then S1 + λ.S2 = 0 represents-
1
a circle
2
a plane
3
a sphere passing through the circle of intersection of the spheres
4
a sphere passing through the plane of intersection