3. The Product Rule

Differentiate products of functions using the product rule and combine it with previously learned derivative rules. Apply the rule both symbolically and when function and derivative values are given at a point.

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Lecture Video

The Product Rule

Supporting Videos

Proof

Proof of the Product Rule

Optional: see why this derivative rule works rather than only memorizing the formula.

Additional Example

Extra Examples of the Product Rule

Product Rule and Quotient Rule

Assignment Answer Key

The Product Rule Practice Product Rule Derivative at a Point Practice