Question

Se considera expresia E(x)=$\frac{x}{3} + \frac{2x+6}{3x} : ( \frac{1}{x} + \frac{3}{ x^{2} } )$ . Aratati ca E(x)=x
VA ROG MULT !!!!

Answer 1

 1/x+3/x²=(x+3)/x²
2x+6)/3x :(x+3)/x²=2*(x+3)/3x*x²(x+3)=2x/3
x/3  +2x/3  =x  x=/0
*=ori