3 years ago

As... Which of the following geometric series diverges?

1 answer:

Volgvan3 years ago

7 0

Answer:

II and II only.

Step-by-step explanation:

The first series converges because the common ratio r is 0.8 (<1).

II diverges as |r| > 1.

III is an alternating series with r = -4 - that is |r| = 4 so it diverges.

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