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Find the derivative, y=t(lnt)^2, natural log=ln

User Dana V
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2 Answers

5 votes

hmm - i think thr answer is 2 ln t + (ln t)^2
User Iksnae
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6.5k points
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y=t(ln(t))^2 \\y'=[t(ln(t))^2]'=t'(ln(t))^2+t[(ln(t))^2]'=(ln(t))^2+2tln(t)(ln(t))'= \\ \\=(ln(t))^2+2t(1)/(t)ln(t) =(ln(t))^2+2ln(t) =ln(t)(ln(t)+2)
User Vman
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