N9e5rdinadualeylove N9e5rdinadualeylove

21-11-2016
Mathematics

contestada

Find the derivative of tan^-1 3x ...?

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Nirina7 Nirina7

24-11-2016

first tan^-1 u = u' /1 +u², where u = u(x)
so
(tan^-1 3x) ' = 3/ 1+9x²

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