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	<title>Continuidade em \(R^2\) - Histórico de revisões</title>
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	<updated>2026-07-25T16:31:09Z</updated>
	<subtitle>Histórico de edições para esta página nesta wiki</subtitle>
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	<entry>
		<id>http://www.mysolutions.tecnico.ulisboa.pt//wiki/index.php?title=Continuidade_em_%5C(R%5E2%5C)&amp;diff=4320&amp;oldid=prev</id>
		<title>Ist178052 em 11h17min de 3 de abril de 2018</title>
		<link rel="alternate" type="text/html" href="http://www.mysolutions.tecnico.ulisboa.pt//wiki/index.php?title=Continuidade_em_%5C(R%5E2%5C)&amp;diff=4320&amp;oldid=prev"/>
		<updated>2018-04-03T11:17:07Z</updated>

		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left diff-editfont-monospace&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;← Revisão anterior&lt;/td&gt;
				&lt;td colspan=&quot;2&quot; style=&quot;background-color: #fff; color: #202122; text-align: center;&quot;&gt;Revisão das 11h17min de 3 de abril de 2018&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l33&quot; &gt;Linha 33:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Linha 33:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Para obter o zip que contém as instâncias deste exercício clique aqui&lt;del class=&quot;diffchange diffchange-inline&quot;&gt;(teor3)&lt;/del&gt;&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Para obter o zip que contém as instâncias deste exercício clique aqui&lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;[https://drive.tecnico.ulisboa.pt/api/drive/file/1695923671482860/download]&lt;/ins&gt;&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt; &lt;/div&gt;&lt;/td&gt;&lt;td colspan=&quot;2&quot;&gt; &lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Se deseja obter o código fonte que gera os exercícios contacte miguel.dziergwa@ist.utl.pt&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt; &lt;/td&gt;&lt;td style=&quot;background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Se deseja obter o código fonte que gera os exercícios contacte miguel.dziergwa@ist.utl.pt&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Ist178052</name></author>
	</entry>
	<entry>
		<id>http://www.mysolutions.tecnico.ulisboa.pt//wiki/index.php?title=Continuidade_em_%5C(R%5E2%5C)&amp;diff=4212&amp;oldid=prev</id>
		<title>Ist178052: Criou a página com &quot;&lt;div class=&quot;toccolours mw-collapsible mw-collapsed&quot; style=&quot;width:420px&quot;&gt; '''Metadata''' &lt;div class=&quot;mw-collapsible-content&quot;&gt; *CONTEXTO : Primeiro ciclo universitário *AREA:...&quot;</title>
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		<updated>2018-04-02T12:44:52Z</updated>

		<summary type="html">&lt;p&gt;Criou a página com &amp;quot;&amp;lt;div class=&amp;quot;toccolours mw-collapsible mw-collapsed&amp;quot; style=&amp;quot;width:420px&amp;quot;&amp;gt; &amp;#039;&amp;#039;&amp;#039;Metadata&amp;#039;&amp;#039;&amp;#039; &amp;lt;div class=&amp;quot;mw-collapsible-content&amp;quot;&amp;gt; *CONTEXTO : Primeiro ciclo universitário *AREA:...&amp;quot;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;Página nova&lt;/b&gt;&lt;/p&gt;&lt;div&gt;&amp;lt;div class=&amp;quot;toccolours mw-collapsible mw-collapsed&amp;quot; style=&amp;quot;width:420px&amp;quot;&amp;gt;&lt;br /&gt;
'''Metadata'''&lt;br /&gt;
&amp;lt;div class=&amp;quot;mw-collapsible-content&amp;quot;&amp;gt;&lt;br /&gt;
*CONTEXTO : Primeiro ciclo universitário&lt;br /&gt;
*AREA: Matemática&lt;br /&gt;
*DISCIPLINA: Calculo Diferencial e Integral 2&lt;br /&gt;
*ANO: 1&lt;br /&gt;
*LINGUA: pt&lt;br /&gt;
*AUTOR: Ana Moura Santos e Miguel Dziergwa&lt;br /&gt;
*MATERIA PRINCIPAL: Funções de \(R^n\) em \(R^m\): diferenciabilidade&lt;br /&gt;
*DESCRICAO: continuidade em \(R^2\)&lt;br /&gt;
*DIFICULDADE: ***&lt;br /&gt;
*TEMPO MEDIO DE RESOLUCAO: 15 mn&lt;br /&gt;
*TEMPO MAXIMO DE RESOLUCAO: 20 mn&lt;br /&gt;
*PALAVRAS CHAVE: continuidade excepto num ponto, limite num ponto, prolongamento (ou não) por continuidade, linhas de nível, derivadas parciais&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
&amp;lt;/div&amp;gt;&lt;br /&gt;
&lt;br /&gt;
Seja \(\text{f} \text{:$\mathbb{R}\times\mathbb{R}\backslash\{$(1,1)$\}$$\to$$\mathbb{R}$}\) uma função tal que: &lt;br /&gt;
i) as retas que passam pelo ponto \(\left(\begin{array}{c}1\\1\\\end{array}\right)\), excluíndo esse  ponto, são as curvas de nível da função \(f\);&lt;br /&gt;
ii) a retas diferentes correspondem valores diferentes da função \(f\).&lt;br /&gt;
Indique todas as afirmações corretas que podem ser deduzidas do enunciado.&lt;br /&gt;
&lt;br /&gt;
A) a derivada parcial de \(\text{f}\) em ordem a \(\text{x}\), no ponto \(\text{(0,1)}\), é igual a zero&lt;br /&gt;
&lt;br /&gt;
B) as linhas de nível de \(\text{Cosh(f(x,y))}\) também verificam as condições do enunciado&lt;br /&gt;
&lt;br /&gt;
C) \(\text{f}\) é prolongável por continuidade a \(\text{(1,1)}\)&lt;br /&gt;
&lt;br /&gt;
D) existe o limite segundo a reta \(\text{y=x}\) da função \(\text{f}\) no ponto \(\text{(1,1)}\)&lt;br /&gt;
&lt;br /&gt;
E) Nenhuma das anteriores&lt;br /&gt;
&lt;br /&gt;
&lt;br /&gt;
Para obter o zip que contém as instâncias deste exercício clique aqui(teor3)&lt;br /&gt;
&lt;br /&gt;
Se deseja obter o código fonte que gera os exercícios contacte miguel.dziergwa@ist.utl.pt&lt;/div&gt;</summary>
		<author><name>Ist178052</name></author>
	</entry>
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