Use the Comparison Theorem to Determine Whether $\int _ { 2 } ^ { \infty } \frac { d x } { \sqrt { 4 x ^ { 2 } + 1 } }$

Short Answer

Use the Comparison Theorem to determine whether $\int _ { 2 } ^ { \infty } \frac { d x } { \sqrt { 4 x ^ { 2 } + 1 } }$ is convergent or divergent. Justify your answer.