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July 3rd, 2011, 07:55 PM  #11  
Global Moderator Joined: Nov 2006 From: UTC 5 Posts: 16,046 Thanks: 938 Math Focus: Number theory, computational mathematics, combinatorics, FOM, symbolic logic, TCS, algorithms  Re: Effective interest rate compounded every two months Quote:
 
July 3rd, 2011, 09:09 PM  #12  
Senior Member Joined: Jul 2010 From: St. Augustine, FL., U.S.A.'s oldest city Posts: 12,211 Thanks: 522 Math Focus: Calculus/ODEs  Re: Effective interest rate compounded every two months Quote:
Application of L'Hôpital's rule gives:  
July 3rd, 2011, 11:00 PM  #13 
Senior Member Joined: Apr 2011 From: USA Posts: 782 Thanks: 1  Re: Effective interest rate compounded every two months
I don't know what you're doing. I know the infinity symbol, but I don't know how to use e and I don't know what ln means. (I can use those to solve for specific stuff that I have memorized, and I do mean just memorized plug n chug with no knowledge behind it.) So you lost me from the start. You don't need to try to explain it  you'd have to explain from scratch too many things I don't know. Since I've forgotten most of high school, it's easier to just pretend I stopped after 9th grade algebra. (Yes, I know more than that, but it's more specialized business stuff.) 

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