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Find these constants I (Posted on 2005-11-10) Difficulty: 3 of 5
Given that
 k=∞          1           A*B-C*D
Σ    ------------------ = -------
 k=0 (3k+1)(3k+2)(3k+3)      E   
where A, B, C, D and E are, in some order, the number π (pi), the square root of an integer, the natural logarithm of an integer, and two integers, find their values.

See The Solution Submitted by pcbouhid    
Rating: 3.1667 (6 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re(6): confirm Charlie | Comment 7 of 11 |
(In reply to re(5): confirm Charlie by goFish)

Tk you, goFish, what makes me more surprised (I had no knowledge of this function), once nobody posted an analytical solution yet.

I asked you because some users (very few, in fact less than 3, I think) donīt like me, and you can see that by watching the rating. "2,333" and 3 "raters" means a total of 7, and before Charlie presented his solution, the rating was "1". Do you think that "1" is a rate for this problem? 

If one wanna try, start with 1/(X*Y*Z) = A/X + B/Y + C/Z. 

Edited on November 12, 2005, 4:51 pm

Edited on November 12, 2005, 4:58 pm
  Posted by pcbouhid on 2005-11-12 16:39:58

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