Question

Determinati valoarea lui a stiind ca lim x->infinit din ax+3/2x+5=4

Answer 1

$\lim_{n \to \infty} \frac{ax+3}{2x+5} = \lim_{n \to \infty} \frac{a+ \frac{3}{x} }{2+ \frac{5}{x}}$=4
$\frac{a}{2}=4 \\ a=8$