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Mathematics 20 Online
OpenStudy (anonymous):

what is the derivative of 9exp(x) divided by 4 cos (x)?

OpenStudy (anonymous):

You have to use a combination of chain rule and quotient rule. Solve it using the quotient rule. and when you need to find the derivative of 9^x, use chain rule. Time consuming, I know.

OpenStudy (anonymous):

4cos(x) * e^x - 9e^x * 4(-sin(x)) divided by 4(cos(x))^2?

OpenStudy (anonymous):

where did the "e"s come from?

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