178k views
4 votes
Find an equation of the largest sphere with centre (5,4,9) that is contained in the first octant

User Zarinah
by
8.9k points

1 Answer

2 votes
The radius can be at most 4 for the sphere to be contained within the first octant, so the equation would be


(x-5)^2+(y-4)^2+(z-9)^2=16
User Hignesh Hirani
by
7.9k points