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added wichtige Sachen, die in der ANAG Klausur wichtig waren
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&= \arctan(x+1)\notag
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\end{align}
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\subsection{Mehrfachintegrale}
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\begin{align}
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\int_{X\times Y\times Z} f(x,y,z)\,\mathrm{d}(x,y,z) = \int_X\int_Y\int_Z f\,\mathrm{d}z\,\mathrm{d}y\,\mathrm{d}x\notag
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\end{align}
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\subsection{Der Transformationssatz}
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\begin{enumerate}[label=\textbf{\arabic*.}]
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\item $f:V\subset \mathbb{R}^n\to\mathbb{R}$ integrierbar
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\item $\phi:U\subset\mathbb{R}^n\to V$ Diffeomorphismus
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\end{enumerate}
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\begin{align}
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\int_V f(x)\,\mathrm{d}x=\int_U f(\phi(y))\cdot\vert\phi(y)'\vert\,\mathrm{d}y\notag
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\end{align}
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\subsection{parametrisierte Integrale}
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\begin{enumerate}[label=\textbf{\arabic*.}]
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\item $M\subset\mathbb{R}^n$ messbar, $P\subset\mathbb{R}^m$ Menge von Parametern offen, $f:M\times P\to\mathbb{R}$
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\item $f(\cdot, p)$ integrierbar auf $M$ $\forall p$
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\item $f(x,\cdot)$ stetig differenzierbar auf $P$ $\forall x$
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\item $\exists g:M\to\mathbb{R}$ integrierbar mit $\vert f_p(x,p)\vert\le g$ $\forall x,p$
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\end{enumerate}
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\begin{align}
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F(p)=\int_M f(x,p)\,\mathrm{d}x\Rightarrow F'(p)=\int_M f_p(x,p)\,\mathrm{d}x\notag
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\end{align}
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\section{Extremwerte}
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\subsection{ohne Nebenbedingung}
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\begin{enumerate}[label=\textbf{\arabic*.}]
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