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Re: Re: Factor[1+x^4]


Regarding Factor with Extension, there is a bug
in version 4.0 for PowerMacintosh:

Factor[1 + 2 z^4, Extension -> {Sqrt[-2]/3}] // Expand

(1/9) + 2 z^4

I cannot say if the bug is still there in version 4.1,
because I am still waiting for the upgrade (I am a
Premier Service subscriber, but out of the U.S.)

Best regards,

               Gianluca Gorni


-- 


 +---------------------------------+
 | Gianluca Gorni                  |
 | Universita` di Udine            |
 | Dipartimento di Matematica      |
 |   e Informatica                 |
 | via delle Scienze 208           |
 | I-33100 Udine UD                |
 | Italy                           |
 +---------------------------------+
 | Ph.: (39) 0432-558422           |
 | Fax: (39) 0432-558499           |
 | mailto:gorni at dimi.uniud.it      |
 | http://www.dimi.uniud.it/~gorni |
 +---------------------------------+




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