Ensembles finis Exemples

$f (x) = \frac{(x - 1) (x + 1)}{x^{3} + 2 x + 1}$

Étape 1

$f (x) = \frac{(x - 1) (x + 1)}{x^{3} + 2 x + 1}$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$