Infinite Serieseasy
0:00.0

Use the limit comparison test to analyze n=13n2n+25n4+n21\sum_{n=1}^{\infty} \frac{3n^2-n+2}{5n^4+n^2-1}. Choose an appropriate comparison series bn\sum b_n and compute limnanbn\lim_{n \to \infty} \frac{a_n}{b_n}. What can you conclude?