A. z lies on a sphere of radius 2. I'm sure you know the formula for that.
B. Same thing, but the sphere has radius 4, and its center is at (1,2,3)
5. Find the relationship between x, y and z if the point P(x,y,z)
A. Is always 2 units from O(0,0,0)
B. Is always 4 units from A(1,2,3)
1 answer