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Sir,what is the sum of the series in question no. 69?

Sir,what is the sum of the series in question no. 69?

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2 Answers

Vikas TU
14149 Points
4 years ago
Dear student 
You can do this question orally , 
See the denomntor is going towars bigger value as the sum increases, 
So the later terms will become 0 .
So , Add the first terms. 
Ans would be option D .
Hope this will help 
Good Luck 
Yashraj
908 Points
3 years ago
use the trick that has bee mentioned that check the options and add initial terms and remove other example one by ine

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