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UBA - CienciaS • Ver Tema - Primer recuperatorio del segundo parcial - 14/12/2011
UBACS Q&A Foro WikiCS
Fecha actual 08 May 2024, 19:26

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Autor Mensaje
 Asunto: Primer recuperatorio del segundo parcial - 14/12/2011
NotaPublicado: 14 Dic 2011, 20:33 
Ayudante de Segunda

Registrado: 04 Ago 2011, 13:11
Mensajes: 51
Lamentablemente tuve que dar recuperatorio :( pero buen, dejo el exámen que me tomaron hace un rato.

Ejercicio 1.
Sea la matriz



Hallar tres subespacios de A-invariantes de dimensión 4 que admitan un complemento A-invariante.

Ejercicio 2.
Se considera en el producto interno dado por .
Sea la transformación lineal dada por .

(a) Hallar .

(b) Descomponer como suma directa de dos subespacios no nulos -invariantes.

Ejercicio 3.
Hallar una transformación lineal ortogonal tal que:

* ,
* ,
* .

Ejercicio 4.
Sean y . Hallar todos los pares de puntos tales que el triángulo sea rectángulo en e isósceles.


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 Perfil  
 
 Asunto: Re: Primer recuperatorio del segundo parcial - 14/12/2011
NotaPublicado: 15 Dic 2011, 10:34 
Ayudante de Segunda

Registrado: 04 Ago 2011, 13:11
Mensajes: 51
Cualquier idea sobre el primero se agradece.


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 Asunto: Re: Primer recuperatorio del segundo parcial - 14/12/2011
NotaPublicado: 15 Dic 2011, 12:13 
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Registrado: 05 Jul 2008, 14:02
Mensajes: 1166



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Quimey
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 Asunto: Re: Primer recuperatorio del segundo parcial - 14/12/2011
NotaPublicado: 15 Dic 2011, 12:21 
Ayudante de Segunda

Registrado: 04 Ago 2011, 13:11
Mensajes: 51
Si, en el parcial pensé lo mismo. Pero lo que me confundía era lo que de los subespacios "admitan complementos A-invariantes" encima me trabé con las cuentas y estaba podrido de rendir, incómodo, con dolor de cabeza. Y cansado de hacer cuentas. Y de vivir.

Voy a hacer la forma y me fijo si se me ocurre algo.

Gracias.


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