D u f x y lim h 0 f x a h y b h f x y h. The derivative of function f at xc is the limit of the slope of the secant line from xc to xch as h approaches 0. X2 2x Dx Dx2 x2 Dx.
Simplify more divide through by Dx.
1 n n x nx dx d 3. The Derivative Calculator supports solving first second fourth derivatives as well as implicit differentiation and finding the zerosroots. And its derivative using the Power Rule. Symbolically this is the limit of fc-fchh as h0.