1,5te Binomische Formel < Test-Forum < Internes < Vorhilfe
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[mm] \left( a \pm b\right) ^2=a^2\pm 2ab+b^2
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![[hot]](/images/smileys/hot.gif "[hot]") [mm] \left( klim+bim\right) ^2=klim^2+\color{magenta}2\cdot klimbim\color{black}+bim^2 [/mm]
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| Status: |
(Mitteilung) Reaktion unnötig  | | Datum: | 10:42 Do 15.06.2006 | | Autor: | Karl_Pech |
> [mm]\left( a \pm b\right) ^2=a^2\pm 2ab+b^2[/mm]
[mm]\setlength{\arraycolsep}{2pt}\begin{array}{cccc}
(\red{a}+\blue{b})^2 & = & \red{a}\red{a} & +\\
{} & {} & \red{a}\blue{b} & +\\
{} & {} & \blue{b}\red{a} & +\\
{} & {} & \blue{b}\blue{b}. & {}
\end{array}[/mm]
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