## Integrationsregeln
### Summen
$$ 
integral f + u dif x => integral f dif x + integral u dif x
$$
### Skalierung
$$
integral alpha f dif x => alpha integral f dif x
$$
### Produkt
$$ 
integral u' v dif x = integral ((u v)' - u v') dif x = u v - integral u v' dif x
$$
> Regel der __partiellen Integration__

