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Diadidi1
a fost răspuns

[tex] \frac{x-1}{x+2}: \frac{x-2}{x-1} =[/tex]

Răspuns :

Albastruverde12
[tex] \frac{x-1}{x+2} : \frac{x-2}{x-1} = \frac{x-1}{x+2} * \frac{x-1}{x-2} = \frac{(x-1)^{2} }{(x+2)(x-2)}= \frac{ x^{2} -2x+1}{ x^{2}-4 } .[/tex]

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