Which test is used to determine the convergence of ∑n=1∞1n2+1\sum_{n=1}^{\infty} \frac{1}{n^2+1}∑n=1∞n2+11 by comparing it to ∫1∞1x2+1dx\int_{1}^{\infty} \frac{1}{x^2+1} dx∫1∞x2+11dx?
Integral Test
Comparison Test
Ratio Test
Alternating Series Test