Progression (Sequence and Series)Hard
Question
The sum of the series
- .... upto ∞ is equal to
- .... upto ∞ is equal toOptions
A.2 loge2
B.loge2 - 1
C.loge2
D.loge2 

Solution
- .......= 1
- .......= 1 - 2

= 2
- 1= 2 log 2 - log e
= log

Hence, (D) is the correct answer.
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