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February 1, 2015

February 1, 2015

Posted by **Chris** on Monday, March 26, 2007 at 9:40pm.

you probably meant to type y=f(x)

By definition

dy/dx = Limit (f(x+∆x) - f(x))/∆x as ∆x-->0

The explanation of this equation is the whole basis and introduction to Calculus.

It can be found in any introductory Calculus text.

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