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Education > Math > Re: Root to Pow...
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Re: Root to Power Series

by Robert Israel <israel@[EMAIL PROTECTED] > Apr 15, 2008 at 11:23 PM

"Jon G." <jon8338@[EMAIL PROTECTED]
> writes:

> -root to polynomial of nth degree
> -root to power series
> 
> http://mypeoplepc.com/members/jon8338/math/id10.html


This is wrong.  If a_j are rational, your formula would make x the natural
logarithm of an algebraic number.  But the root of a polynomial is an
algebraic number, and according to the Lindemann-Weierstrass theorem
if x is a nonzero algebraic number, e^x must be transcendental.
-- 
Robert Israel              israel@[EMAIL PROTECTED]
 of Mathematics        http://www.math.ubc.ca/~israel

University of British Columbia            Vancouver, BC, Canada
 




 3 Posts in Topic:
Root to Power Series
"Jon G." <jo  2008-04-15 13:31:41 
Re: Root to Power Series
Dave <dave_and_darla@[  2008-04-15 11:39:50 
Re: Root to Power Series
Robert Israel <israel@  2008-04-15 23:23:54 

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tan12V112 Fri Nov 21 7:41:33 CST 2008.