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3.4 Lösning 3c - Versionshistorik
2026-04-24T22:28:31Z
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https://minidemo.mathonline.se/index.php?title=3.4_L%C3%B6sning_3c&diff=20376&oldid=prev
Taifun den 18 januari 2015 kl. 20.38
2015-01-18T20:38:17Z
<p></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
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<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 18 januari 2015 kl. 20.38</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 7:</td>
<td colspan="2" class="diff-lineno">Rad 7:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><math> {\color{White} x} \quad \underline{x_2 = -2} \, </math><span style="color:black">:</span></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><math> {\color{White} x} \quad \underline{x_2 = -2} \, </math><span style="color:black">:</span></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; 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;"><div>::<math> f''(-2) \, = \, 8\cdot (-2) = -16 < 0 \quad \Longrightarrow \quad x_2 = <del class="diffchange diffchange-inline">5 </del>\quad {\rm lokalt\;maximum.} </math></div></td><td class='diff-marker'>+</td><td style="color:black; 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;"><div>::<math> f''(-2) \, = \, 8\cdot (-2) = -16 < 0 \quad \Longrightarrow \quad x_2 = <ins class="diffchange diffchange-inline">-2 </ins>\quad {\rm lokalt\;maximum.} </math></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(2) \neq 0 \quad {\rm och} \quad f''(-2) \neq 0 \quad \Longrightarrow \quad f(x) \, {\rm har\;inga\;terasspunkter.} </math></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(2) \neq 0 \quad {\rm och} \quad f''(-2) \neq 0 \quad \Longrightarrow \quad f(x) \, {\rm har\;inga\;terasspunkter.} </math></div></td></tr>
</table>
Taifun
https://minidemo.mathonline.se/index.php?title=3.4_L%C3%B6sning_3c&diff=20375&oldid=prev
Taifun den 18 januari 2015 kl. 20.37
2015-01-18T20:37:32Z
<p></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr style='vertical-align: top;'>
<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 18 januari 2015 kl. 20.37</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; 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;"><div><math> {\color{White} x} \<del class="diffchange diffchange-inline">qquad </del>\underline{x_1 = 2} \, </math><span style="color:black">:</span></div></td><td class='diff-marker'>+</td><td style="color:black; 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;"><div><math> {\color{White} x} \<ins class="diffchange diffchange-inline">quad </ins>\underline{x_1 = 2} \, </math><span style="color:black">:</span></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(x) \, = \, 8\,x </math></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(x) \, = \, 8\,x </math></div></td></tr>
<tr><td colspan="2" class="diff-lineno">Rad 5:</td>
<td colspan="2" class="diff-lineno">Rad 5:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(2) \, = \, 8\cdot 2 = 16 > 0 \quad \Longrightarrow \quad x_1 = 2 \quad {\rm lokalt\;minimum.} </math></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(2) \, = \, 8\cdot 2 = 16 > 0 \quad \Longrightarrow \quad x_1 = 2 \quad {\rm lokalt\;minimum.} </math></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; 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;"><div><math> {\color{White} x} \<del class="diffchange diffchange-inline">qquad </del>\underline{x_2 = -2} \, </math><span style="color:black">:</span></div></td><td class='diff-marker'>+</td><td style="color:black; 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;"><div><math> {\color{White} x} \<ins class="diffchange diffchange-inline">quad </ins>\underline{x_2 = -2} \, </math><span style="color:black">:</span></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(-2) \, = \, 8\cdot (-2) = -16 < 0 \quad \Longrightarrow \quad x_2 = 5 \quad {\rm lokalt\;maximum.} </math></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(-2) \, = \, 8\cdot (-2) = -16 < 0 \quad \Longrightarrow \quad x_2 = 5 \quad {\rm lokalt\;maximum.} </math></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(2) \neq 0 \quad {\rm och} \quad f''(-2) \neq 0 \quad \Longrightarrow \quad f(x) \, {\rm har\;inga\;terasspunkter.} </math></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div>::<math> f''(2) \neq 0 \quad {\rm och} \quad f''(-2) \neq 0 \quad \Longrightarrow \quad f(x) \, {\rm har\;inga\;terasspunkter.} </math></div></td></tr>
</table>
Taifun
https://minidemo.mathonline.se/index.php?title=3.4_L%C3%B6sning_3c&diff=20374&oldid=prev
Taifun den 18 januari 2015 kl. 20.36
2015-01-18T20:36:44Z
<p></p>
<table class='diff diff-contentalign-left'>
<col class='diff-marker' />
<col class='diff-content' />
<col class='diff-marker' />
<col class='diff-content' />
<tr style='vertical-align: top;'>
<td colspan='2' style="background-color: white; color:black; text-align: center;">← Äldre version</td>
<td colspan='2' style="background-color: white; color:black; text-align: center;">Versionen från 18 januari 2015 kl. 20.36</td>
</tr><tr><td colspan="2" class="diff-lineno">Rad 1:</td>
<td colspan="2" class="diff-lineno">Rad 1:</td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><math> {\color{White} x} \qquad \underline{x_1 = 2} \, </math><span style="color:black">:</span></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><math> {\color{White} x} \qquad \underline{x_1 = 2} \, </math><span style="color:black">:</span></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; 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;"><div><del class="diffchange diffchange-inline">:</del>::<math> f''(x) \, = \, 8\,x </math></div></td><td class='diff-marker'>+</td><td style="color:black; 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;"><div>::<math> f''(x) \, = \, 8\,x </math></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; 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;"><div><del class="diffchange diffchange-inline">:</del>::<math> f''(2) \, = \, 8\cdot 2 = 16 > 0 \quad \Longrightarrow \quad x_1 = 2 \quad {\rm lokalt\;minimum.} </math></div></td><td class='diff-marker'>+</td><td style="color:black; 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;"><div>::<math> f''(2) \, = \, 8\cdot 2 = 16 > 0 \quad \Longrightarrow \quad x_1 = 2 \quad {\rm lokalt\;minimum.} </math></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><math> {\color{White} x} \qquad \underline{x_2 = -2} \, </math><span style="color:black">:</span></div></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"><div><math> {\color{White} x} \qquad \underline{x_2 = -2} \, </math><span style="color:black">:</span></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; 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;"><div><del class="diffchange diffchange-inline">:</del>::<math> f''(-2) \, = \, 8\cdot (-2) = -16 < 0 \quad \Longrightarrow \quad x_2 = 5 \quad {\rm lokalt\;maximum.} </math></div></td><td class='diff-marker'>+</td><td style="color:black; 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;"><div>::<math> f''(-2) \, = \, 8\cdot (-2) = -16 < 0 \quad \Longrightarrow \quad x_2 = 5 \quad {\rm lokalt\;maximum.} </math></div></td></tr>
<tr><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td><td class='diff-marker'> </td><td style="background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;"></td></tr>
<tr><td class='diff-marker'>−</td><td style="color:black; 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;"><div><del class="diffchange diffchange-inline">:</del>::<math> f''(2) \neq 0 \quad {\rm och} \quad f''(-2) \neq 0 \quad \Longrightarrow \quad f(x) \, {\rm har\;inga\;terasspunkter.} </math></div></td><td class='diff-marker'>+</td><td style="color:black; 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;"><div>::<math> f''(2) \neq 0 \quad {\rm och} \quad f''(-2) \neq 0 \quad \Longrightarrow \quad f(x) \, {\rm har\;inga\;terasspunkter.} </math></div></td></tr>
</table>
Taifun
https://minidemo.mathonline.se/index.php?title=3.4_L%C3%B6sning_3c&diff=20373&oldid=prev
Taifun: Skapade sidan med '<math> {\color{White} x} \qquad \underline{x_1 = 2} \, </math><span style="color:black">:</span> :::<math> f''(x) \, = \, 8\,x </math> :::<math> f''(2) \, = \, 8\cdot 2 = 16...'
2015-01-18T20:36:13Z
<p>Skapade sidan med '<math> {\color{White} x} \qquad \underline{x_1 = 2} \, </math><span style="color:black">:</span> :::<math> f''(x) \, = \, 8\,x </math> :::<math> f''(2) \, = \, 8\cdot 2 = 16...'</p>
<p><b>Ny sida</b></p><div><math> {\color{White} x} \qquad \underline{x_1 = 2} \, </math><span style="color:black">:</span><br />
<br />
:::<math> f''(x) \, = \, 8\,x </math><br />
<br />
:::<math> f''(2) \, = \, 8\cdot 2 = 16 > 0 \quad \Longrightarrow \quad x_1 = 2 \quad {\rm lokalt\;minimum.} </math><br />
<br />
<math> {\color{White} x} \qquad \underline{x_2 = -2} \, </math><span style="color:black">:</span><br />
<br />
:::<math> f''(-2) \, = \, 8\cdot (-2) = -16 < 0 \quad \Longrightarrow \quad x_2 = 5 \quad {\rm lokalt\;maximum.} </math><br />
<br />
:::<math> f''(2) \neq 0 \quad {\rm och} \quad f''(-2) \neq 0 \quad \Longrightarrow \quad f(x) \, {\rm har\;inga\;terasspunkter.} </math></div>
Taifun