N9e5rdinadualeylove N9e5rdinadualeylove
  • 21-11-2016
  • Mathematics
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Find the derivative of tan^-1 3x ...?

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Nirina7
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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