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find sum of first six terms in a series

0 votes
find the sum of first six terms of the series log(2x)+log(4x)+log(8x)+........

 

asked Mar 3, 2014 in ALGEBRA 2 by angel12 Scholar

1 Answer

0 votes

The series is image

Here image

image

So, the series is in Arithmetic progression.

First term image, common difference image

Formula for image term in AP series is  image.

image term in AP series is image

image

Formula for sum of first n terms is image

Sum of first 6 terms is

image

image                                              image

image

image

image                                                             image

image

image                                                                image

image

The sum of the first 6 terms is image

answered Apr 9, 2014 by Johncena Apprentice

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