i.3.3.33 Definite Integrals

condition: Find definite integrals. 1) \( \int_{2}^{e} \frac{d x}{x \ln ^{3} x} \); 2) \( \int_{1}^{e^{2}} \frac{\ln ^{3} x+3 \ln x}{x} d x \); 3) \( \int_{0}^{2 \pi} \sin ^{4} x d x \)