IfSn=[1/(1+sqrt(n))+1/(2+sqrt(2n))++1/(n...

`IfS_n=[1/(1+sqrt(n))+1/(2+sqrt(2n))++1/(n+sqrt(n^2))],t h e n(lim)_(n rarr oo)S_n` is equal to (a)log 2 (b) log4 (c)log 8 (d) none of these

A

`log 2`

B

`4 log 2`

C

`2 log 2`

D

`(1)/(2) log 2`

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The correct Answer is:

C

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