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Ringo2004
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#1
Mar 20 2014 01:30pm
Hey guys could use a hand with this problem. Limit between 1 and infinity, {(5 + n) / n) ^n}.
The answer is 5, and i tried simplifying to ln(y)= (n)(ln((5+n)/n)) but not sure where to go from there? Thanks!
Azrad
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#2
Mar 20 2014 02:03pm
could you rewrite the problem more carefully?
Ringo2004
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#3
Mar 20 2014 03:45pm
Im not sure how else to write it?
Ringo2004
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#4
Mar 20 2014 03:48pm
Unless you do n(lim(5 + n) - lim(n)). In that scenario would the lim n's cancel so your just left with n(lim(5))?
Azrad
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#5
Mar 20 2014 03:50pm
Quote (Ringo2004 @ Mar 20 2014 02:45pm)
Im not sure how else to write it?
well maybe I need more coffee but I can't seem to wrap my head around exactly what you are asking.
Also you have more ")" characters than "(" characters.
Azrad
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#6
Mar 20 2014 04:17pm
Is this the question you are asking?
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#7
Mar 20 2014 04:53pm
if so:
feanur
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#8
Mar 20 2014 11:59pm
Remember a definition of exponential function :
exp ( x ) = lim ( 1 + x / n ) ^ n
Azrad
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#9
Mar 21 2014 01:21am
Quote (feanur @ Mar 20 2014 10:59pm)
Remember a definition of exponential function :
exp ( x ) = lim ( 1 + x / n ) ^ n
lol i knew there had to be an easier way... well take what I did, replace 5 with x, and use it as a proof for:
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