# A Self-Contained Derivation of the Formula $$\frac {d x^r}{dx}=r x^{r-1}$$

by Peter A. Lindstrom (North Lake College)

College Mathematics Journal
March, 1985

Subject classification(s): Single Variable Calculus | Calculus
Applicable Course(s): 3.1 Mainstream Calculus I

Differentiating a power of $$x$$ when the power is rational.

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