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Derivasjonsoppgave!

Posted: 24/05-2010 12:16
by Stinkfisten
f(x) = x-5 + 1/x-1



Svaret skal bli x^2-2x/(x-1)^2

Posted: 24/05-2010 12:19
by Nebuchadnezzar
[tex]f(x)\,=\,x-5+\frac{1}{x-1}[/tex] ?

Posted: 24/05-2010 12:20
by Stinkfisten
jaa! :)

Posted: 24/05-2010 12:38
by Stinkfisten
Nebuchadnezzar wrote:[tex]f(x)\,=\,x-5+\frac{1}{x-1}[/tex] ?
jepp ;>

Posted: 24/05-2010 12:44
by Nebuchadnezzar
[tex]f^{\tiny\prime}(x)\,=1-\frac{1}{(x-1)^2}[/tex]

Sammentrekningen får du gjøre ^^