Question

\(\lim \frac{{n + 3}}{{{n^2}}}\) bằng: 

A. 1.                                            

B. 0.                                            

C. 3.                                            

D. 2.

Answer 1

\(\lim \frac{{n + 3}}{{{n^2}}} = \lim \frac{{{n^2}\left( {\frac{1}{n} + \frac{3}{{{n^2}}}} \right)}}{{{n^2}}} = \lim \left( {\frac{1}{n} + \frac{3}{{{n^2}}}} \right) = 0\)

Chọn B.