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Mathematics 15 Online
OpenStudy (anonymous):

what is the derivative of y = 9x + x tan(x)

OpenStudy (anonymous):

(9x)' + (x)(tanx)'+(tanx)(x)'

OpenStudy (anonymous):

product rule for xtanx

OpenStudy (anonymous):

(9x)'=9 tan(x)'=sec^2(x)

OpenStudy (anonymous):

are you good?

OpenStudy (anonymous):

yes thank you

OpenStudy (mathstudent55):

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