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Did I do this problem right?

Find the first and second derative-simplify your answer.


y'= (x)(sec^2 x)+(tanx)(1)
y'= xsec^2 x + tanx

y"= (x)(2secx)(secxtanx)+sec^2 x + sec^2 x
y"=2xsec^2 x tanx + 2 sec^2 x

  • calculus -

    = 2 sec^2x(x tan x + 1)

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