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9-99.
  1. Consider the infinite series below. For each, decide if it converges or diverges and justify your conclusion. If the series converges, find its sum. Homework Help ✎

    1. 4 + 4 + 4 + 4 + ...

    2. 10 + 9 + 8 + 7 + ...

For an infinite geometric series:

This is a geometric series with r = 1.

This is a geometric series with r = 1/10.

This is an arithmetic series. Does an infinite arithmetic series have a finite sum?

This is a geometric series with r = –3/5.