Skip to content
Competitive Stats
Q71Section II (Mathematics)71 of 180

Envelope of a family of unit spheres — the characteristic is a great circle

The characteristic curve and the envelope of the one parameter family of surfaces (x−a)2+(y−2a)2+z2=1(x-a)^2+(y-2a)^2+z^2=1 are:

Options

Pick an option to check your answer.