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idk???

0 votes

asked Jun 3, 2015 in CALCULUS by anonymous

1 Answer

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Step 1:

The series is image.

Rewrite the series .

The above series is look like a geometric series.

nth term of the geometric series is image.

First term of the geometric series image.

Common ratio of the geometric series is image.

Step 2:

Find the sum of the geometric series.

The above series is infinite geometric series with image and image.

When image the sum of the geometric series is image.

image

So the sum of the geometric series is 10.

Solution :

Sum of the geometric series is 10.

answered Jun 3, 2015 by yamin_math Mentor

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