Bonsoir !
Oui, mais avec une démarche différente :
\( \frac{(2x+1)(x-2)(x-1)}{(x^{2}-1)(2x+1)}\)
\( \frac{(x-2)(x-1)}{(x^{2}-1)}\)
\( \frac{(x-2)(x-1)}{(x-1)(x+1)}\)
\( \frac{(x-2)}{(x+1)}\)
Continue à te pratiquer !
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