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UBA - CienciaS • Ver Tema - Final del 2/3/12
UBACS Q&A Foro WikiCS
Fecha actual 11 May 2024, 23:28

Todos los horarios son UTC - 3 horas




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Autor Mensaje
 Asunto: Final del 2/3/12
NotaPublicado: 04 Mar 2012, 10:26 
Vago

Registrado: 27 Jul 2009, 10:59
Mensajes: 6
Hola gente. Quería comentarles que el final de ese día tomaron los siguientes temas:

1) Demostrar el teorema del valor medio para integrales dobles (estaba "camuflado", pero era ese teorema);

2) Diferenciable implica continua;

3) Justificar que un punto p era crítico de una función compuesta siendo ese punto, crítico de una de sus funciones que componía y luego analizar si era máximo o mínimo teniendo en cuenta el hessiano de una de sus funciones por las que se componía.

4) Demostrar la igualdad de una integral doble que salía haciendo partes en el eje y.

Si quieren cuando me den el parcial lo subo. Saludos


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 Asunto: Re: Final del 2/3/12
NotaPublicado: 06 Mar 2012, 23:50 
Vago

Registrado: 27 Jul 2009, 10:59
Mensajes: 6
Hola gente! Quería aclarar que el punto uno del parcial donde se tenía una bola abierta y dado que el gradiente de f en R2 era cero, había que demostrar que f era constante, salía haciendo Lagrange, donde se ponía f(A) - f(B) = grad f(Q) * (A - B) = 0 entonces f(A) = f(B) y se puede aplicar Rolle con lo cual queda demostrado el ejercicio.


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 Asunto: Re: Final del 2/3/12
NotaPublicado: 06 Abr 2012, 11:51 
Estudiante

Registrado: 21 Mar 2009, 09:49
Mensajes: 29
Me sumo a la última pregunta. Alguien sabe que temas se estan dejando afuera (escuche que no tomaban mas demostraciones de conjuntos abiertos/cerrados, teorema de la f inversa, entre otros)?


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 Asunto: Re: Final del 2/3/12
NotaPublicado: 06 Abr 2012, 12:54 
Vago

Registrado: 27 Jul 2009, 10:59
Mensajes: 6


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