The Product Rule: What It Is & How to Use It

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Shared October 8, 2026

Learn what the product rule is and how to use it to find the derivative of a product of two functions. The product rule says to multiply the first function by the derivative of the second, then add the second function times the derivative of the first. In this example, we use the product rule to find the derivative of x³(2x² + 1) and simplify the result to 10x⁴ + 3x². More free math lessons and guided notes: www.understandthemath.com/ #ProductRule #Derivatives #Calculus #Calculus1 #MathShorts