Esercizio
$\frac{-x^4}{x^2+1}$
Soluzione passo-passo
1
Dividere $-x^4$ per $x^2+1$
$\begin{array}{l}\phantom{\phantom{;}x^{2}+1;}{-x^{2}\phantom{-;x^n}+1\phantom{;}\phantom{;}}\\\phantom{;}x^{2}+1\overline{\smash{)}-x^{4}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}\phantom{-;x^n}}\\\phantom{\phantom{;}x^{2}+1;}\underline{\phantom{;}x^{4}\phantom{-;x^n}+x^{2}\phantom{-;x^n}\phantom{-;x^n}}\\\phantom{\phantom{;}x^{4}+x^{2};}\phantom{;}x^{2}\phantom{-;x^n}\phantom{-;x^n}\\\phantom{\phantom{;}x^{2}+1-;x^n;}\underline{-x^{2}\phantom{-;x^n}-1\phantom{;}\phantom{;}}\\\phantom{;-x^{2}-1\phantom{;}\phantom{;}-;x^n;}-1\phantom{;}\phantom{;}\\\end{array}$
$-x^{2}+1+\frac{-1}{x^2+1}$
Risposta finale al problema
$-x^{2}+1+\frac{-1}{x^2+1}$