Post Reply 
Pi Approximation Day
07-23-2019, 05:09 PM
Post: #12
RE: Pi Approximation Day
(07-22-2019 10:49 PM)Valentin Albillo Wrote:   
Hi, all:

Happy Pi Approximation Day (i.e.: 22/7)

Use your CAS (or your math ingenuity) to compute the exact symbolic value (not numeric) of:

          Integral between 0 and 1 of:     x4(1-x4)/(1+x2) . dx

and there you are, your Pi Approximation present. Smile

Regards to all.
V.
 

I got 2/35 from an (emulated) HP 50g.

— Ian Abbott
Find all posts by this user
Quote this message in a reply
Post Reply 


Messages In This Thread
Pi Approximation Day - Gerson W. Barbosa - 07-22-2019, 03:41 AM
RE: Pi Approximation Day - ggauny@live.fr - 07-22-2019, 10:01 AM
RE: Pi Approximation Day - burkhard - 07-22-2019, 01:02 PM
RE: Pi Approximation Day - rprosperi - 07-22-2019, 01:05 PM
RE: Pi Approximation Day - Albert Chan - 08-14-2019, 10:46 PM
RE: Pi Approximation Day - Albert Chan - 08-15-2019, 03:38 AM
RE: Pi Approximation Day - Claudio L. - 07-22-2019, 07:48 PM
RE: Pi Approximation Day - Dave Shaffer - 07-23-2019, 05:07 PM
RE: Pi Approximation Day - ijabbott - 07-23-2019, 05:18 PM
RE: Pi Approximation Day - jebem - 07-24-2019, 06:03 AM
RE: Pi Approximation Day - bshoring - 07-22-2019, 09:40 PM
RE: Pi Approximation Day - BartDB - 07-23-2019, 05:31 PM
RE: Pi Approximation Day - BartDB - 07-24-2019, 10:30 AM
RE: Pi Approximation Day - ijabbott - 07-23-2019 05:09 PM
RE: Pi Approximation Day - Erwin - 07-23-2019, 08:26 PM
RE: Pi Approximation Day - Albert Chan - 07-25-2019, 01:26 PM
RE: Pi Approximation Day - Bill Duncan - 07-26-2019, 11:02 PM
RE: Pi Approximation Day - Leviset - 08-14-2019, 09:36 PM



User(s) browsing this thread: 1 Guest(s)