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Second Partials Test

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Find the critical point(s) of f(x,y)= [-4x^2 e^y + 2x^4 + e^4y] and classify each using the Second Partials Test. Does anything seem unusual about your results?

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Solution Summary

Second partials test is examined. The critical points are found.

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Find the critical point(s) of f(x,y)= [-4x^2 e^y + 2x^4 + e^4y] and classify each using the Second Partials Test. Does anything seem unusual about your results?
Given
Second partials test:
Let f(x, y) is given function. Let (a, b) be a critical point of f and put and ...

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