Esercizio
$\frac{a^2-5^a+1}{a+2}$
Soluzione passo-passo
1
Dividere $a^2- 5^a+1$ per $a+2$
$\begin{array}{l}\phantom{\phantom{;}a\phantom{;}+2;}{\phantom{;}a\phantom{;}-2\phantom{;}\phantom{;}}\\\phantom{;}a\phantom{;}+2\overline{\smash{)}\phantom{;}a^{2}\phantom{-;x^n}+1\phantom{;}\phantom{;}}\\\phantom{\phantom{;}a\phantom{;}+2;}\underline{-a^{2}-2a\phantom{;}\phantom{-;x^n}}\\\phantom{-a^{2}-2a\phantom{;};}-2a\phantom{;}+1\phantom{;}\phantom{;}\\\phantom{\phantom{;}a\phantom{;}+2-;x^n;}\underline{\phantom{;}2a\phantom{;}+4\phantom{;}\phantom{;}}\\\phantom{;\phantom{;}2a\phantom{;}+4\phantom{;}\phantom{;}-;x^n;}\phantom{;}5\phantom{;}\phantom{;}\\\end{array}$
Risposta finale al problema
$a-2+\frac{5}{a+2}$