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Calculus1 21 Online
OpenStudy (anonymous):

f(x) = 3x^2 sin(x) what is f'(x)

OpenStudy (isaiah.feynman):

This is the derivative of the PRODUCT of two functions. When we have the products of two functions f and g we use the product rule \[(fg)'=f'g+fg'\]Lets 3x^2 be f and sin(x) be g

OpenStudy (anonymous):

is it 6x sin(x) + 3x^2cos(x)?

OpenStudy (kc_kennylau):

exactly :D

OpenStudy (isaiah.feynman):

Correct.

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