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Asked by Smith

Find the maximum and minimum values of f(x,y,z)=x+4y+5z on the sphere x^2+y^2+z^2=1.
16 years ago

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Answered by drwls
You need to use the method of Lagrange multipliers. It is explained here:
http://en.wikipedia.org/wiki/Lagrange_multipliers
16 years ago
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Find the maximum and minimum values of f(x,y,z)=x+4y+5z on the sphere x^2+y^2+z^2=1.

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