Câu 41:

Cho hàm số $f\left( x \right) = \left\{ \begin{array}{l}3{x^2} + 6x\,\,\,\,\,khi\,x \ge 2\\\frac{2}{{2x - 5}}\,\,\,\,\,\,\,\,khi\,x < 2\end{array} \right.$. Tích phân $I=\int\limits_{e}^{{{e}^{2}}}{\frac{f({{\ln }^{2}}x)}{x\ln x}}dx$ bằng

Câu 41:

Cho hàm số $f\left( x \right) = \left\{ \begin{array}{l}3{x^2} + 6x\,\,\,\,\,khi\,x \ge 2\\\frac{2}{{2x - 5}}\,\,\,\,\,\,\,\,khi\,x &lt; 2\end{array} \right.$. Tích phân $I=\int\limits_{e}^{{{e}^{2}}}{\frac{f({{\ln }^{2}}x)}{x\ln x}}dx$ bằng