👤

Testul 1 ex 4 va rog


Testul 1 Ex 4 Va Rog class=

Răspuns :

[tex]\frac{6x+2y}{3x}=\frac{3x+4y}{2y};[/tex]

2y(6x+2y)=3x(3x+4y);

12xy+4y²=9x²+12xy;

4x²=9y²;

[tex]\frac{9x^{2} }{y^{2}}=4; | :9\\\frac{x^{2} }{y^{2}}=\frac{4}{9}; \\\\=>exemplu.pereche: (2, 3); ->x=2, y=3;\\[/tex]