Can someone remind me how to differentiate step by step, thanks xcubed , 1/x , -1/x and (4/xcubed)
Follow Math Help Forum on Facebook and Google+
You use the power rule $\displaystyle \frac{d}{dx}\left(x^n\right) = nx^{n-1}$.
Originally Posted by Natasha1 Can someone remind me how to differentiate step by step, thanks xcubed , 1/x , -1/x and (4/xcubed) are you familiar with these rules ? power rule ... $\displaystyle \frac{d}{dx} [x^n] = nx^{n-1}$ konstant multiple rule ... $\displaystyle \frac{d}{dx} [k \cdot f(x)] = k \cdot f'(x)$ ... or are you supposed to use the definition of a derivative?
Ok I have managed to do it. Thanks.
Last edited by mr fantastic; Oct 28th 2010 at 06:03 PM. Reason: Moved a question to a new thread.
View Tag Cloud