The Product Rule

[Jason]

\(\dfrac{d}{dx}[(a)(b)] = (b)\dfrac{da}{dx} + (a)\dfrac{db}{dx}\)


\(ex. a\)


\(\dfrac{d}{dx}[(5x)(x + 1)] =\)

\((x + 1)(5) + (5x)(1)\)

\(5x + 5 + 5x = 10x + 5\)