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Forum Maschinenbau Rostock • Thema anzeigen - 36.2

36.2

36.2

Beitragvon willi » Fr 3. Dez 2010, 01:03

bei b) hab ich kei schimmer. is ja auch schon wieder viel zu spät. hoff die unterlagen helfen euch weiter - bitte um korrektur bzw weitere ideen
schönes we wünsch ich euch
ma36.2 001.jpg

hab grad noch gesehen dass bei 2.a. nach der integration von sin/cos das vorzeichen irgendwie nicht stimmt --> denn müsste c=2 werden. checkt das ma ab...
willi
 
Beiträge: 31
Registriert: Fr 16. Okt 2009, 19:25

Re: 36.2

Beitragvon mastergucks » Fr 3. Dez 2010, 10:26

bei a) müsstest du da , wo du alles e-hoch nimmst, also den ln aufhebst * und nicht + e(c) nehmen, also y= (cosx)* e^c und kommst somit auf y=c*(cosx) dann müsste c für das awp c=1 sein
b): in der letzten zeile von deinen b) Aufzeichnungen hast dich glaub ich verschrieben(x statt 4) da musst hin: y'= (y-4)/(x-1); dann tdv(durch (y-4) teilen) kommst auf
int(1/(y-4))dy = int(1/(x-1))dx
das ausgeführt,umgeformt ergibt:

y = c(x-1) + 4

mit awp auf c= 4
mastergucks
 
Beiträge: 80
Registriert: Fr 23. Okt 2009, 11:35

Re: 36.2

Beitragvon arni » So 5. Dez 2010, 10:30

@ willi: also bei a hat mastergucks recht so wie ich das sehe..., bei b haben wir das gleiche wie mastergucks raus...
arni
 
Beiträge: 9
Registriert: Mi 21. Okt 2009, 20:13


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