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July 2nd, 2018, 03:05 AM   #1
Joined: Jul 2018
From: India

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Summation of series

Hi, this is my first post on here.
I haven't got a clue how to solve this question. I'm familiar with AP, GP, HP, AGP, some special series... I tried, but couldn't figure out how to approach this question. I have attached two pictures, one is the question and the other one is the answer to the question. Thanks
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File Type: jpg IMG-20180629-WA0004.jpg (84.1 KB, 12 views)
File Type: jpg IMG-20180630-WA0015.jpg (29.8 KB, 9 views)
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July 2nd, 2018, 05:32 AM   #2
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This is easy to do by mathematical induction.
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series, summation

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