Question

How do you do this question?

Answer 1

convergent

Explanation:

the function increases or decreases or as the number of terms of the series increases.

Answer 2

Divergent

Explanation:

The series can be written as:

∑ 1 / (4n − 1)

We can compare this to 1 / (5n). 1 / (5n) is smaller and diverges (p-series test). Therefore, the larger function also diverges.