Limit solving without using series


by Mark J.
Tags: limit, series, solving
Mark J.
Mark J. is offline
#1
Feb14-13, 07:04 AM
P: 77
Any way to solve the following limit without using series:

lim (3^x (3*(x^2)+2) / (7+x)! when x->infinity

Regards
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jfgobin
jfgobin is offline
#2
Feb14-13, 07:28 AM
P: 90
You could start with Stirling's approximation.
johnqwertyful
johnqwertyful is offline
#3
Feb14-13, 02:48 PM
P: 308
You can easily squeeze that. 3*x^2+2<=3^x from some point on.


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