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Descompuneti in factori si simplificati rapoartele:
x²-2x+1
----------=
x²-1


Răspuns :

(x-1)2/(x-1)(x+1)=x-1/x+1 (si ramane asa)
[tex]\frac{x^2-2x+1}{x^2-1}=\frac{(x-1)^2}{(x-1)(x+1)}=\frac{x-1}{x+1)}\\ !!!\;\;(am\;simplificat\;c\;\; ,,x-1\,"\;\;)[/tex]