The power rule is a fundamental principle in calculus that provides a formula for finding the derivative of a function in the form of $$f(x) = x^n$$, where $$n$$ is any real number. This rule simplifies the process of differentiation by stating that the derivative of such a function is given by $$f'(x) = n imes x^{(n-1)}$$. Understanding this rule is essential for tackling more complex functions and derivatives, making it a key tool in differential calculus.
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