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• 145 How to find ${\large\int}_0^1\frac{\ln^3(1+x)\ln x}x\mathrm dx$
• 77 Compute $\int_0^{\pi/4}\frac{(1-x^2)\ln(1+x^2)+(1+x^2)-(1-x^2)\ln(1-x^2)}{(1-x^4)(1+x^2)} x\exp(\frac{x^2-1}{x^2+1}) dx$
• 52 Infinite Series $\sum_{n=1}^\infty\frac{H_n}{n^32^n}$
• 50 Calculate $\frac{1}{5^1}+\frac{3}{5^3}+\frac{5}{5^5}+\frac{7}{5^7}+\frac{9}{5^9}+\cdots$
• 42 Evaluate $\int_0^\infty\frac{\ln x}{1+x^2}dx$
• 36 Integral $\int_0^1 dx \frac{\ln x \ln^2(1-x)\ln(1+x)}{x}$
• 33 Taking Calculus in a few days and I still don't know how to factorize quadratics
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