Path: nntp.eternal-september.org!news.eternal-september.org!eternal-september.org!feeder3.eternal-september.org!news.gegeweb.eu!gegeweb.org!usenet-fr.net!pasdenom.info!.POSTED.102.129.143.77!not-for-mail From: "M.V." Newsgroups: fr.sci.maths Subject: Re: 5^(3i) Date: Sat, 12 Jul 2025 15:42:35 -0000 (UTC) Organization: M.V. & Co Archive: no Message-ID: <104tvpb$e6m$1@rasp.pasdenom.info> References: <104tegd$23mhf$1@dont-email.me> <_X1BmLr9-dEkGkDW4qrkPGHip_I@jntp> <-kFmPc0_cRpSlcSEUVk7VkqT_0Q@jntp> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Sat, 12 Jul 2025 15:42:35 -0000 (UTC) Injection-Info: rasp.pasdenom.info; posting-account="michel.vauquois@usenet"; posting-host="102.129.143.77"; logging-data="14550"; mail-complaints-to="abuse@pasdenom.info" User-Agent: MacCafe/3.04.2(4D18) ("kontir wild forest") (macOS 15.5.0 (24F74) - iMac19,1) Cancel-Lock: sha1:IGxZ/X2cfbFVPJRzXScjk/5+hx4= sha256:xtftjr8K1FSyovU43DvIIMFQI/nNekpvdiiADLMuAME= sha1:s06NN8+BcjH9retnCzeqtZub3fc= sha256:BVzY9fb6UqfgWYJXrRXosrxEw1ikhIhmK9xZ+m5hef4= sha1:f1i6NSj/MvgA+UgKwz7c4sC4heI= sha256:dSMI1/cHcqD/9/jsPe6Qq0ozt348DYI00HS5IyQGaCA= X-Face: 0f|`H5*Our0P$s'uj0)fS=&`R#U+JYple<6GW!O'TO4sB4,Q9"tHNQo]\7p\,,nCZ_saH4~Ie 'gYktutVOXK})aU*/@meZ_y=ixi8qwcJ,ssAk~G4Rr?qr60d_euHkHHJ_;EHES_(IExNo h6 X-Address: michel.vauquois@gmail.com In-Reply-To: X-No-Archive: yes URL-perso: http://michelvauquois.fr Mail-Copies-To: nobody Good evening, In message , on Saturday, 12 July 2025 at 16:16, Python wrote: > Q. (3pts) Trouver les racines réelles de H = x^4 - 37*x^3 + 255*x^2 + > 1451*x + 2070 …/… > Je trouve -2 + i et -2 - i après un petit nombres d'essais. …/… > H(x) = (x + 2 - i)*(x + 2 -i)*P(x) À corriger car c'est plutôt : H(x) = (x + 2 - i)*(x + 2 + i)*P(x) -- 🇺🇦 Michel Vauquois - 🇺🇦 L’oeil du sourd est normal. (Pierre Desproges)