Lim n(2n + 3)(n + 1/ 5{n^2}({n^2} + 4 bằng
Giải thích
Chọn B
\(\lim \frac{{n(2n + 3)(n + 1)}}{{5{n^2}({n^2} + 4)}} = \lim \frac{{2{n^3} + 5{n^2} + 3n}}{{5{n^4} + 20{n^2}}} = 0\).
Chọn B
\(\lim \frac{{n(2n + 3)(n + 1)}}{{5{n^2}({n^2} + 4)}} = \lim \frac{{2{n^3} + 5{n^2} + 3n}}{{5{n^4} + 20{n^2}}} = 0\).