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Find the nth derivatives of tan^-1(2x/1-x^2)

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Find the nth derivatives of tan^-1(2x/1-x^2)
  • 1 answers

Shubham Hatwal 3 years, 7 months ago

Put x = tant Then use formula (2 tant ÷[1-tan^2t ]= tan2t) Then tan^-1 ( tan2t)= 2t = 2 tan^-1(x ) = then do differentiation of it then answer= 2÷ { 1+x^2}
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