\(\lim n\left( {\sqrt {{n^2} + 1}  - \sqrt {{n^2}...

Câu hỏi: \(\lim n\left( {\sqrt {{n^2} + 1}  - \sqrt {{n^2} - 2} } \right)\) bằng:

A. \(\frac{3}{2}\)

B. \(\frac{1}{2}\)

C. \(-\frac{1}{2}\)

D. 1