# Definition of derivative

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##### Examples

###### Lessons

- Find the derivative of the given function using the definition of derivative.

$f\left( x \right) = {x^3} - 5x + 6$ **Definition of derivative with irregular functions**

Find the derivative of the following functions using the definition of derivative.

**Applications to definition of derivative**

Let $f(x)=4x^{\frac{1}{3}}$