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Dauuuuu corooonaaaa
Aduceti la forma cea mai simpla
x² catre x²-2xy : (2xy catre x²-4y²-y catre x+2y)


Răspuns :

x² /(x²-2xy) : [(2xy /(x²-4y²) -y/( x+2y)]=
=
x²/x(x-2y) : [(2xy /(x-2y)(x+2y) -y/( x+2y)]=
=x/(x-2y) : [(2xy -y(x-2y)/(x-2y)(x+2y)]=
=x/(x-2y) : [(2xy -xy+2y²)/(x-2y)(x+2y)]=
=x/(x-2y) : y(x+2y)/(x-2y)(x+2y)=
=x/(x-2y) : y/(x-2y)=
=x/(x-2y) × (x-2y)/y= x/y