Re: x²+4x+5=0

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Sujet : Re: x²+4x+5=0
De : chris.m.thomasson.1 (at) *nospam* gmail.com (Chris M. Thomasson)
Groupes : sci.math
Date : 23. Jan 2025, 00:22:59
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Organisation : A noiseless patient Spider
Message-ID : <vmrukk$18f0b$4@dont-email.me>
References : 1 2 3 4 5 6
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On 1/22/2025 3:19 PM, Moebius wrote:
Am 23.01.2025 um 00:02 schrieb Chris M. Thomasson:
 
For instance, this should have three roots?
>
x^3 + x^2 + 1 = 0
 Right.
 One real and 2 complex solutions.
Ahhh, well, one nit pick... A real is any complex number with a zero imaginary part?

 
What am I missing here?
 Nothing.
 See: https://en.wikipedia.org/wiki/Cubic_equation

Date Sujet#  Auteur
22 Jan 25 * x²+4x+5=052Richard Hachel
22 Jan 25 +* Re: x²+4x+5=018Chris M. Thomasson
22 Jan 25 i`* Re: x²+4x+5=017Moebius
22 Jan 25 i +- Re: x²+4x+5=01Moebius
22 Jan 25 i `* Re: x²+4x+5=015Chris M. Thomasson
23 Jan 25 i  +* Re: x²+4x+5=013Chris M. Thomasson
23 Jan 25 i  i+* Re: x²+4x+5=08Chris M. Thomasson
23 Jan 25 i  ii`* Re: x²+4x+5=07Moebius
23 Jan 25 i  ii `* Re: x²+4x+5=06Chris M. Thomasson
23 Jan 25 i  ii  `* Re: x²+4x+5=05Moebius
23 Jan 25 i  ii   `* Re: x²+4x+5=04Chris M. Thomasson
23 Jan 25 i  ii    `* Re: x²+4x+5=03Moebius
23 Jan 25 i  ii     `* Re: x²+4x+5=02Moebius
23 Jan 25 i  ii      `- Re: x²+4x+5=01Chris M. Thomasson
23 Jan 25 i  i`* Re: x²+4x+5=04Moebius
23 Jan 25 i  i `* Re: x²+4x+5=03Chris M. Thomasson
23 Jan 25 i  i  `* Re: x²+4x+5=02Moebius
23 Jan 25 i  i   `- Re: x²+4x+5=01Chris M. Thomasson
23 Jan 25 i  `- Re: x²+4x+5=01Moebius
23 Jan 25 +* Re: x²+4x+5=026sobriquet
23 Jan 25 i+- Re: x²+4x+5=01Chris M. Thomasson
23 Jan 25 i`* Re: x²+4x+5=024Moebius
24 Jan 25 i `* Re: x²+4x+5=023Richard Hachel
24 Jan 25 i  `* Re: x²+4x+5=022FromTheRafters
24 Jan 25 i   +* Re: x²+4x+5=020Richard Hachel
24 Jan 25 i   i`* Re: x²+4x+5=019Python
24 Jan 25 i   i +* Re: x²+4x+5=05Moebius
24 Jan 25 i   i i+* Re: x²+4x+5=03Richard Hachel
24 Jan 25 i   i ii`* Re: x²+4x+5=02Python
24 Jan 25 i   i ii `- Re: x²+4x+5=01Richard Hachel
24 Jan 25 i   i i`- Re: x²+4x+5=01Python
24 Jan 25 i   i +* Re: x²+4x+5=03Richard Hachel
24 Jan 25 i   i i`* Re: x²+4x+5=02Python
24 Jan 25 i   i i `- Re: x²+4x+5=01Richard Hachel
25 Jan 25 i   i `* Forgotten to answer?10WM
25 Jan 25 i   i  `* Re: Forgotten to answer?9FromTheRafters
26 Jan 25 i   i   `* Re: Forgotten to answer?8WM
26 Jan 25 i   i    +* Re: Forgotten to answer?4FromTheRafters
26 Jan 25 i   i    i`* Re: Forgotten to answer?3WM
26 Jan 25 i   i    i `* Re: Forgotten to answer?2FromTheRafters
26 Jan 25 i   i    i  `- Re: Forgotten to answer?1WM
26 Jan 25 i   i    `* Re: Forgotten to answer?3joes
26 Jan 25 i   i     `* Re: Forgotten to answer?2WM
27 Jan 25 i   i      `- Re: Forgotten to answer?1joes
24 Jan 25 i   `- Re: x²+4x+5=01Chris M. Thomasson
23 Jan 25 +* Re: x²+4x+5=02Richard Hachel
26 Jan 25 i`- Re: x²+4x+5=01Jim Burns
23 Jan 25 `* Re: x²+4x+5=05Peter Fairbrother
23 Jan 25  +* Re: x²+4x+5=02Richard Hachel
23 Jan 25  i`- Re: x²+4x+5=01Peter Fairbrother
2 Feb 25  `* Re: x²+4x+5=02Chris M. Thomasson
3 Feb 25   `- Re: x²+4x+5=01Richard Hachel

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