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December 29th, 2013, 06:14 AM  #1 
Newbie Joined: Dec 2013 Posts: 12 Thanks: 0  summing a finite exponential series
Hi, I'm doing an assignment where I have to approximate the area under a curve by splitting it into rectangles. I'm almost there but I need to evaluate the following in order to get the answer: ?e^(i^2/200) for i = 1 to 10 I've tried writing it out as e^(1/2) + e(4/2) + ... + e^(100/2) but I don't know where to go from there (if that's even helpful at all). Can anyone help? Thanks 
December 29th, 2013, 04:33 PM  #2 
Global Moderator Joined: May 2007 Posts: 6,338 Thanks: 532  Re: summing a finite exponential series
There is no formula for the sum. Just calculate each term and add them up.

December 30th, 2013, 05:03 AM  #3 
Newbie Joined: Dec 2013 Posts: 12 Thanks: 0  Re: summing a finite exponential series
oh, ok thanks


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