Find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid 22 + = 1 9 81 16 Hint: By symmetry, you can restrict your attention to the first octant (where x, y, z > 0), and assume your volume has the form V = 8xyz. Then arguing by symmetry, you need only look for points which achieve the maximum which lie in the first octant. Maximum volume:

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.4: Polyhedrons And Spheres
Problem 28E: Given that a regular polyhedron of n faces is inscribed in a sphere of radius length 6 in., find the...
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Find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid

Find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid
,2
y?
,2
= 1
16
81
Hint: By symmetry, you can restrict your attention to the first octant (where x, y, z > 0), and assume your volume has the form V = 8xyz. Then arguing by
symmetry, you need only look for points which achieve the maximum which lie in the first octant. Maximum volume:
Transcribed Image Text:Find the volume of the largest rectangular box with edges parallel to the axes that can be inscribed in the ellipsoid ,2 y? ,2 = 1 16 81 Hint: By symmetry, you can restrict your attention to the first octant (where x, y, z > 0), and assume your volume has the form V = 8xyz. Then arguing by symmetry, you need only look for points which achieve the maximum which lie in the first octant. Maximum volume:
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