Math 129



Geometric and Telescoping Series Name: __________________

Determine if the series converges or diverges. STATE HOW YOU KNOW!!!

If the series converges, also find the sum of the series. Recall your only two tools so far are the test for divergence and to check to see if you have a geometric series (a series with a common ratio).

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3. 0.9+0.09+0.009 +0.0009+…

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7. Write 0.4141414141…. as a fraction without using a calculator.

Hmmm… These next two don’t look geometric. Write out some terms to see if you can tell what is happening to the sum of each of the next two series.

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