calculus

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Find the derivative of the function. HINT [See Quick Examples on page 835.]
f(x) = 9x ln x

  • calculus -

    f'(x)=9[1+lnx]

  • calculus -

    9x(1/x) + lnx (9)

    9 + 9 ln x

    9(1+lnx) agreed

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