Hello!I got big problem derivate

I basicly know how to derivate this without the special derivate formula i wanna train on. I wanna be able to derivate with lim h->0

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- Feb 20th 2013, 04:56 AMPetrusDerivate
Hello!I got big problem derivate

I basicly know how to derivate this without the special derivate formula i wanna train on. I wanna be able to derivate with lim h->0 - Feb 20th 2013, 05:10 AMProve ItRe: Derivate

- Feb 20th 2013, 05:11 AMMathJackRe: Derivate
1/(sqrt(x) + h) - 1/(sqrt(x))

multiply top and bottom by conjugate

in answer add numerator

then let h = 0 - Feb 20th 2013, 05:17 AMPetrusRe: Derivate
I see what i did wrong on My progress!! Ty alot:) Well i had the right idé!