using the first principle of differentiation, find the first derivatives of

f(x) = 3/x^{2}and 1/(sqrt x)^{3 - if using product rule i know, but if using first principle, my ans not the same. Please help me. }

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- April 29th 2013, 06:05 AMchoi105First Principle of Derivative and Power Rule
using the first principle of differentiation, find the first derivatives of

f(x) = 3/x^{2}and 1/(sqrt x)^{3 - if using product rule i know, but if using first principle, my ans not the same. Please help me. } - April 29th 2013, 06:15 AMa tutorRe: First Principle of Derivative and Power Rule
How far can you get? Do you know what you are trying to find the limit of?

- April 29th 2013, 07:17 AMdokrbbRe: First Principle of Derivative and Power Rule
Did you hear about this formula

This is called differentiation from first principles, (or the delta method). It gives the instantaneous rate of change of y with respect to x,

dokrbb - April 29th 2013, 07:25 AMPlatoRe: First Principle of Derivative and Power Rule
- April 29th 2013, 07:27 AMdokrbbRe: First Principle of Derivative and Power Rule