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From: | Alexander Kobel |
Subject: | Re: e in the time of phi and square root of pi tuplet hijinks |
Date: | Tue, 8 Nov 2016 09:48:50 +0100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.4.0 |
On 2016-11-08 08:45, mclaren wrote:
Technically speaking, we're also dealing with transcendental tuplets rather than irrationals here, since the square root of pi is a transcendental number (I think. Pi is known to be transcendental, but is the square of pi proven to be transcendental?).
Algebraic numbers form a field. So yes - if sqrt(pi) were algebraic, so would be pi. Obviously, they are also closed under root extraction (more precisely, powers to rational exponents); hence pi^2 is transcendental, too.
Cheers, Alexander
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