MATH urgent

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1. find the third derivative of



y= x^(x^2) ; dy/dx

please help! thank you!

  • MATH urgent -

    f = (t-1)/(t+1)
    f' = 2/(t+1)^2
    now it's easy
    f'' = -4/(t+1)^3
    f''' = 12/(t+1)^4

    y = x^(x^2)
    lny = x^2 ln x
    1/y y' = 2x lnx + x^2/x
    y' = y(2x ln x + x)
    and plug back in y = x^(x^2)

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