Exercice
$\frac{2x^3-5x^2+x-2}{x-1}$
Solution étape par étape
1
Diviser $2x^3-5x^2+x-2$ par $x-1$
$\begin{array}{l}\phantom{\phantom{;}x\phantom{;}-1;}{\phantom{;}2x^{2}-3x\phantom{;}-2\phantom{;}\phantom{;}}\\\phantom{;}x\phantom{;}-1\overline{\smash{)}\phantom{;}2x^{3}-5x^{2}+x\phantom{;}-2\phantom{;}\phantom{;}}\\\phantom{\phantom{;}x\phantom{;}-1;}\underline{-2x^{3}+2x^{2}\phantom{-;x^n}\phantom{-;x^n}}\\\phantom{-2x^{3}+2x^{2};}-3x^{2}+x\phantom{;}-2\phantom{;}\phantom{;}\\\phantom{\phantom{;}x\phantom{;}-1-;x^n;}\underline{\phantom{;}3x^{2}-3x\phantom{;}\phantom{-;x^n}}\\\phantom{;\phantom{;}3x^{2}-3x\phantom{;}-;x^n;}-2x\phantom{;}-2\phantom{;}\phantom{;}\\\phantom{\phantom{;}x\phantom{;}-1-;x^n-;x^n;}\underline{\phantom{;}2x\phantom{;}-2\phantom{;}\phantom{;}}\\\phantom{;;\phantom{;}2x\phantom{;}-2\phantom{;}\phantom{;}-;x^n-;x^n;}-4\phantom{;}\phantom{;}\\\end{array}$
$2x^{2}-3x-2+\frac{-4}{x-1}$
Réponse finale au problème
$2x^{2}-3x-2+\frac{-4}{x-1}$