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Lösung 1.1:2a

Aus Online Mathematik Brückenkurs 2

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Durch die Regeln

ddxxn=nxn1

und

ddxf(x)+g(x)=ddxf(x)+ddxg(x) 

erhalten wir

f(x)=ddxx23x+1=ddxx23ddxx1+ddx1=2x2131x11+0=2x3.