show that the maximum valueof a rectangular parallelopiped enclosed in the ellipsoid x^2/a^2+y^2/b^2+z^2/c^2=1 is 8abc/3√3
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Show that the volume of the largest rectangular parallelepiped that can be inscribed in the ellipsoid
x2a2+y2b2+z2c2=1
is 8abc33–√.
I proceeded by assuming that the volume is xyz and used a Lagrange multiplier to start with
xyz+λ(x2a2+y2b2+z2c2−1)
I proceeded further to arrive at abc33√.
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