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Improper integral
06-11-2014, 06:01 PM
Post: #1
Improper integral
Just got an odd result for the improper integral evaluated from 0 to 33 of 1/(5th root of x-1). It should evaluate to 75/4 or 18.75. In home, I get 18.7479519638 after a busy spell hourglass. In CAS, I get a choice of 155/4 (way off!) or 18.750007847.

The HP 39gii after awhile has ER: Invalid Input.

The TI NSpire immediately produces 75/4.
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Messages In This Thread
Improper integral - lrdheat - 06-11-2014 06:01 PM
RE: Improper integral - lrdheat - 06-11-2014, 06:11 PM
RE: Improper integral - Onkel Otto - 06-11-2014, 06:20 PM
RE: Improper integral - CR Haeger - 06-11-2014, 07:15 PM
RE: Improper integral - ndzied1 - 06-11-2014, 06:42 PM
RE: Improper integral - ndzied1 - 06-11-2014, 06:50 PM
RE: Improper integral - Onkel Otto - 06-11-2014, 06:50 PM
RE: Improper integral - ndzied1 - 06-11-2014, 06:56 PM
RE: Improper integral - HP67 - 06-11-2014, 07:01 PM
RE: Improper integral - Mark Hardman - 06-11-2014, 07:22 PM
RE: Improper integral - Wes Loewer - 06-12-2014, 08:59 AM
RE: Improper integral - HP67 - 06-11-2014, 07:16 PM
RE: Improper integral - Onkel Otto - 06-11-2014, 08:21 PM
RE: Improper integral - Mark Hardman - 06-11-2014, 09:13 PM
RE: Improper integral - Onkel Otto - 06-11-2014, 09:58 PM
RE: Improper integral - Mark Hardman - 06-11-2014, 10:26 PM
RE: Improper integral - rprosperi - 06-11-2014, 11:09 PM
RE: Improper integral - Helge Gabert - 06-11-2014, 09:55 PM
RE: Improper integral - Onkel Otto - 06-11-2014, 10:46 PM
RE: Improper integral - Mark Hardman - 06-12-2014, 01:45 AM
RE: Improper integral - jte - 06-12-2014, 06:47 AM
RE: Improper integral - parisse - 06-12-2014, 06:49 AM
RE: Improper integral - Wes Loewer - 06-12-2014, 09:57 AM
RE: Improper integral - Angus - 06-12-2014, 10:56 AM
RE: Improper integral - parisse - 06-12-2014, 11:05 AM
RE: Improper integral - John Colvin - 06-12-2014, 06:27 PM
RE: Improper integral - alexzkter - 06-12-2014, 07:01 PM
RE: Improper integral - John Colvin - 06-12-2014, 07:25 PM
RE: Improper integral - alexzkter - 06-12-2014, 07:37 PM
RE: Improper integral - rprosperi - 06-13-2014, 06:42 PM
RE: Improper integral - Joe Horn - 06-14-2014, 03:51 AM
RE: Improper integral - alexzkter - 06-14-2014, 09:40 AM
RE: Improper integral - Onkel Otto - 06-14-2014, 10:23 AM
RE: Improper integral - Joe Horn - 06-16-2014, 11:54 PM
RE: Improper integral - parisse - 06-13-2014, 06:21 AM
RE: Improper integral - Maro - 06-13-2014, 07:19 AM
RE: Improper integral - parisse - 06-13-2014, 08:13 AM
RE: Improper integral - Maro - 06-13-2014, 08:29 AM
RE: Improper integral - parisse - 06-13-2014, 11:02 AM
RE: Improper integral - Maro - 06-13-2014, 12:02 PM
RE: Improper integral - alexzkter - 06-13-2014, 09:21 AM
RE: Improper integral - jebem - 06-13-2014, 09:30 AM
RE: Improper integral - cutterjohn - 06-14-2014, 01:44 PM
RE: Improper integral - Onkel Otto - 06-17-2014, 10:40 AM
RE: Improper integral - alexzkter - 06-17-2014, 01:29 PM
RE: Improper integral - Joe Horn - 06-17-2014, 07:28 PM



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