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Mathematics
Anthony Valder's user avatar
Anthony Valder's user avatar
Anthony Valder's user avatar
Anthony Valder
  • Member for 2 months
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13
Unexpected $\pi$ and $\ln(2)$ in simple coin toss stopping rule
Apr 12
9
Different ways to solve $\int_{0}^{\pi} e^t \cdot \cos^2(t) \cdot \sin(t) \, dt$
Feb 22
7
Calculating $\int_0^{2\pi}\frac{1}{c-k\sin\theta}d\theta$
Mar 4
5
Evaluate $\int_0^{1/2}\frac{\ln(x)\ln^2(1-x)}{x}dx$ without Euler sums
Feb 21
3
probability of product of 2 random numbers from 1 to 50 being divisible by 3
Feb 25
3
Expected number of cards drawn to reach the first ace: why is it $(52+1)/(4+1)$?
Feb 25
3
Can two different convex $n$-gons have equal area and perimeter
Feb 25
2
Evaluating $J(n)= \int\limits_0^1 x^n (1-x)^n (1-2x)^{2n} \mathrm{d}x$ in a concise way
Feb 22
2
Lie algebra of a Lie group of matrix as tangent space
Feb 24
2
Are there closed-form sums for $\sum_{k=0}^\infty\frac{B_{4k}}{(4k)!}\frac{z^k}{k!}$ and $\sum_{k=0}^\infty\frac{B_{4k+2}}{(4k+2)!}\frac{z^k}{k!}$?
Mar 15