CPM Homework Help : CALC Problem 11-9

Consider the infinite series below. For each, decide if it converges or diverges and justify your conclusion. State the test you used. Homework Help ✎

Hint (a):

This is a geometric series.

Hint (b):

Use the Ratio Test.

Hint (c):

This is an alternating series.

Hint (d)

$=\frac{1}{2}\sum_{n=1}^\infty\frac{1}{n}$