por jurexjurex » Seg Mar 07, 2016 07:16
por adauto martins » Dom Mar 13, 2016 13:36
por adauto martins » Seg Mar 14, 2016 10:40
,entao obtivemos y=f(x)...![c(x,y)=\sqrt[]{({x}^{2}+{y}^{2})}](/latexrender/pictures/709211ba8dfcb6a4693deb80873bbf64.png "c(x,y)=\sqrt[]{({x}^{2}+{y}^{2})}")
...o qual ![c(x)=\sqrt[]{({x}^{2}+{(3x/(x-0.3)}^{2})}](/latexrender/pictures/3018aaaacfd3727f61139ff019b32165.png "c(x)=\sqrt[]{({x}^{2}+{(3x/(x-0.3)}^{2})}")
passou a ser 
...agora é derivar c(x),igualar a zero e achar x,e substituir na expressao ,entao maos a massa,resolva-a...obrigado...Voltar para Cálculo: Limites, Derivadas e Integrais
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![\frac{\sqrt[]{\sqrt[4]{8}+\sqrt[]{\sqrt[]{2}-1}}-\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}-1}}}{\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}+1}}}](/latexrender/pictures/981987c7bcdf9f8f498ca4605785636a.png "\frac{\sqrt[]{\sqrt[4]{8}+\sqrt[]{\sqrt[]{2}-1}}-\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}-1}}}{\sqrt[]{\sqrt[4]{8}-\sqrt[]{\sqrt[]{2}+1}}}")
![\sqrt[]{2}](/latexrender/pictures/f21662d1cabab6e8b273a4b6f1cd663a.png "\sqrt[]{2}")
(dica : igualar a expressão a 
e elevar ao quadrado os dois lados)![c(x)=\sqrt[]{({h(x)-3})^{2}+{(0.3)}^{2}}\Rightarrow](/latexrender/pictures/59944e622005de90e909ae69a862db63.png "c(x)=\sqrt[]{({h(x)-3})^{2}+{(0.3)}^{2}}\Rightarrow")
![c'(x)=(-1/2).2.(h(x)-3).h'(x)/(\sqrt[]{({(h(x)-3)}^{2}+{(0.3)}^{2}})=0](/latexrender/pictures/2ae74742e546e9735220f3b8bcfe5870.png "c'(x)=(-1/2).2.(h(x)-3).h'(x)/(\sqrt[]{({(h(x)-3)}^{2}+{(0.3)}^{2}})=0")
