- E3
[1Q4]Let \(a{\gt}0\). Show that the equation \(\sqrt x + \sqrt y + \sqrt z = \sqrt a\) defines a regular surface inside the first octant \(\{ x{\gt}0,y{\gt}0,z{\gt}0\} \). Prove that planes tangent to the surface cut the three coordinate axes at three points, the sum of whose distances from the origin is constant.
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EDB β 1Q4
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Authors:
"Mennucci , Andrea C. G."
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