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curiosoperoinutil.com :: Ver Tema - ¿1=-1?
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¿1=-1?
https://curiosoperoinutil.com/forum/viewtopic.php?f=2&t=1235
Página 1 de 1

Autor:  Sigow [ Vie 15 Sep 2006, 09:04 ]
Asunto:  ¿1=-1?


Autor:  Pipistrellum [ Vie 15 Sep 2006, 09:46 ]
Asunto: 

No se puede obtener ningun numero negativo al elevar un numero la cuadrado.

-1^2= -1*-1=1 negativo por negativo positivo.

Autor:  Sigow [ Vie 15 Sep 2006, 09:55 ]
Asunto: 

Si, con numeros reales ya se que es cierto. Pero estamos hablando tambien de imaginarios (raiz(-1)).

Autor:  odo [ Vie 15 Sep 2006, 10:26 ]
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Autor:  Sigow [ Vie 15 Sep 2006, 10:38 ]
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Autor:  Ezperun [ Vie 15 Sep 2006, 12:11 ]
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Autor:  Ender [ Vie 15 Sep 2006, 13:10 ]
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Autor:  Ender [ Vie 15 Sep 2006, 13:11 ]
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Autor:  Sigow [ Vie 15 Sep 2006, 15:16 ]
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Autor:  un estudiante [ Vie 15 Sep 2006, 15:33 ]
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Autor:  Ender [ Vie 15 Sep 2006, 15:44 ]
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Autor:  rmcantin [ Vie 15 Sep 2006, 17:12 ]
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Autor:  odo [ Vie 15 Sep 2006, 18:20 ]
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Autor:  Adri [ Lun 18 Sep 2006, 16:08 ]
Asunto: 

anda! pues yo esta misma demostración la había visto al revés:

1 = (1)^1/2 = [(-1)x(-1)]^1/2 = (-1)^1/2 x (-1)^1/2 = i x i = i^2 = -1

la verdad esque creía que el "fallo" estaba en que raíz quadrada de 1 tiene 2 soluciones: 1 y -1

Autor:  EvilWolf [ Lun 18 Sep 2006, 16:48 ]
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Autor:  EvilWolf [ Lun 18 Sep 2006, 16:50 ]
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Autor:  Adri [ Lun 18 Sep 2006, 18:34 ]
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Autor:  un estudiante [ Lun 18 Sep 2006, 18:48 ]
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Autor:  odo [ Mar 19 Sep 2006, 10:42 ]
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