Dãy số nào sau đây có giới hạn bằng 0? \({u}_{n}=\frac{{n}^{2}−2}{5n+3{n}^{2}}\). \({u}_{n}=\frac{{n}^{2}−2n}{5n+3{n}^{2}}\). \({u}_{n}=\frac{1−2n}{5n

\({u}_{n}=\frac{{n}^{2}−2}{5n+3{n}^{2}}\).

\({u}_{n}=\frac{{n}^{2}−2n}{5n+3{n}^{2}}\).

\({u}_{n}=\frac{1−2n}{5n+3{n}^{2}}\).

\({u}_{n}=\frac{1−2{n}^{2}}{5n+3{n}^{2}}\).