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Mathematics 14 Online
OpenStudy (anonymous):

Help guys i will medal. The question is attached in the comments section.

OpenStudy (anonymous):

Here

OpenStudy (amistre64):

\[[\frac12ln^2(x)]'=\frac1xln(x)\]

OpenStudy (amistre64):

i get to 0*inf/2

OpenStudy (anonymous):

Proceed i mainly need the limit not the integration

OpenStudy (anonymous):

Yeeee same 0*infinity thenn!!!

OpenStudy (anonymous):

@amistre64

OpenStudy (amistre64):

[ln^2(n+1)- ln^2(n)]/2 [(ln((n+1)/n))(ln(n^2+n))]/2 ln(1) ln(inf)/2

OpenStudy (amistre64):

the wolf agrees that it is 0 overall

OpenStudy (anonymous):

100% but then what comes? Thats were im stuck

OpenStudy (anonymous):

Yepp but howw

OpenStudy (amistre64):

well ln^2(n+1)-ln^2(n) as n to infinity ... by observation we could determine that +1 is immaterial for large value of n ... ln^2-ln^2 = 0

OpenStudy (amistre64):

if your wanting a rigorous approach, i have none that come to mind. ganesh might

OpenStudy (anonymous):

Nahhh thats not clear

OpenStudy (anonymous):

Mmm thanks btw ill keep on trying :)

OpenStudy (amistre64):

by a difference of squares i got to: [(ln((n+1)/n))(ln(n^2+n))]/2 but yeah, i have no good ideas after that and just noticed that we approach ln(1) as a factor ...

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