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[Рата]

Lim (x->0)( Ln^2(1+3x))/(x^3+7x^2)

[renuar911]

\(  \to \, x=\frac{t}{3}\, \to \, \lim \limits_{t \to 0} \frac {ln^2(1+t)}{\frac{t^3}{27}+\frac {7t^2}{9}}= \lim \limits_{t \to 0}\frac{t^2}{\frac{t^3}{27}+\frac {7t^2}{9}}=\frac{9}{7} \)