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Critical Point : Non-Degenerate

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Show that f(x) = x1x2 + x2x3 + x3x1 has a non - degenerate critical point at
x = 0 and describe the shape of f as concretely as possible.


Solution Summary

A function is shown to have a non-degenerate critical point. The solution is detailed, well presented and includes color diagrams of the function.