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Math Help - derivative HELP!! again

  1. #1
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    derivative HELP!! again

    find the derivative and simplify

    f(x) = xln(arctanx)

    would the answer be 2x4 + 2X2+ ln(arctanx)
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  2. #2
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    Re: derivative HELP!! again

    Use the product rule, for y = v\times u \implies y' = vu'+uv'

    In your case  v= x , u = \ln(\arctan x) use the chain rule to get u'
    Thanks from pnfuller
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