Gonzalez Mejia
03/31/2024 · Primary School

Seja \( (a, b) \) um ponto crítico de uma função de duas variáveis reais. A respeito do teste da derivada parcial de segunda ordem de uma funçáo de duas variáveis reais se o Hessiano de (a,b) for igual a zero pode-se afirmar corretamente que:

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Quando o Hessiano em um ponto crítico é zero, não se pode determinar se é um mínimo, máximo ou ponto de sela apenas pelo teste da derivada parcial de segunda ordem. É necessário usar outros métodos para analisar a natureza do ponto.

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