Question

Se stie ca x+y supra y=10 Aflati $x^{2}$-$y^{2}$supra $y^{2}$va rog frumos urgent am nevoe

Answer 1

(x-y/y)(x+y/y) = 10(x-y/y)

x-y la 2 supra y la 2 se descompume in produs de doua paranteze