Mathematics
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Tunk-Fey
  • Member for 8 years, 5 months
  • Last seen more than 7 years ago
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My nickname is Tunk-Fey but you can call me $\mathbb{FEY}$ or $\mathbb{ARI}$.

You can contact me at ariawan.11@gmail.com.

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151
How to find ${\large\int}_0^1\frac{\ln^3(1+x)\ln x}x\mathrm dx$
79
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 $\frac{1}{5^1}+\frac{3}{5^3}+\frac{5}{5^5}+\frac{7}{5^7}+\frac{9}{5^9}+\cdots$
44
Evaluate $\int_0^\infty\frac{\ln x}{1+x^2}dx$

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