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Mathematics
Phobo Havuz's user avatar
Phobo Havuz's user avatar
Phobo Havuz's user avatar
Phobo Havuz
  • Member for 6 years, 2 months
  • Last seen more than a month ago
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10
Evaluating $\int_1^2\frac{\arctan(x+1)}{x}\,dx$
Nov 4, 2018
8
Definite Integral: $\int_0^1\frac{\ln^4(x)}{x^2+1}\,dx$
Aug 24, 2018
5
$\int_0^1 \frac{1}{x}\sin\frac{1}{x^3}\,dx=\frac{\pi}{6}-\frac{1}{3}\int_0^1 \frac{\sin t}{t}\,dt$
Oct 23, 2018
5
Integral and inequality
Feb 2, 2023
4
Maximise $(x+1)\sqrt{1-x^2}$ without calculus
Oct 18, 2018
4
Finding value of $\int^{2}_{0}\frac{\ln(1+x)}{1+x^2}dx$
Sep 20, 2018
3
Closed form of $\sum_{x=1}^{n} \dfrac{x-1}{e^x}$
Feb 12, 2023
2
Evaluate $\int_0^\pi\frac{\ln\left(1+\cos\theta\right)}{\cos\theta}\,d\theta$
Nov 6, 2018
2
On constants attainable by the expression $\int_0^1xf(x)dx$
Dec 31, 2019
2
Show that if $ \lim _{|x| \rightarrow \infty} \int_0^x h(s) d s=+\infty $ then all solutions to this ODE are bounded.
Jan 12, 2023