👤

Ex 6, vă rog frumos am nevoie urgent...... Dau coroana ​

Ex 6 Vă Rog Frumos Am Nevoie Urgent Dau Coroana class=

Răspuns :

a)x/y × 3x/y²= 3x²/y³

b)5x²y/(y-1) × 2xy/(y+1)= 10x³y²/y²-1

c)4(x+1)/(x-2) × (x-1)/(x-2) = (4x²-4)/(x²-4x+4)

d)8y/(7xy+7x) × (y+1)/y=8(y+1)/7x(y+1)=8/7x