Mathematics
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Franklin Pezzuti Dyer
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5
Need help in evaluating $\int_{-1}^1 (1-x^2)^k, k \in \mathbb{N}$
May 31 '17 at 22:01
5
Number of ways to deal to deal 5 cards to 5 players from a 52 card deck
May 30 '17 at 19:05
5
How to solve function with fractions?
May 22 '17 at 20:37
5
Shortest distance from point to curve
May 3 '17 at 22:47
5
$\int \ln(1+\sqrt{x})\,dx$ any ideas?
May 1 '17 at 21:54
4
if $f(x)=x^2-2$ then real solutions of $f^n(x)=x$
Nov 25 '20 at 17:41
4
Evaluate $\sum_{n=0}^{\infty} \frac{{\left(\left(n+1\right)\ln{2}\right)}^n}{2^n n!}$
Jun 3 '20 at 22:14
4
Showing that $\int_{-\infty}^{\infty}\frac{x^2}{(x^2+a^2)(x^2+b^2)}dx=\frac{\pi}{a+b}$ via Fourier Transform
Apr 14 '20 at 23:44
4
Coincidences in $\{\sum_k\left\lfloor\frac{k}2\sqrt p\right\rfloor2^{-k}\}$ and $\sum_k(\lfloor\frac{k}2\sqrt p\rfloor\bmod2)2^{-k}$
Dec 22 '19 at 19:25
4
Does there exist infinite words using the alphabet $\{A,B,C,D\}$ that avoids patterns $XX,\ XAX,\ XBX,\ XCX,\ XDX$?
Sep 15 '19 at 16:01
4
prove $\int_0^\infty \frac{\log^2(x)}{x^2+1}\mathrm dx=\frac{\pi^3}{8}$ with real methods
Jan 29 '19 at 17:09
4
How to prove that $\int_{0}^{\infty}\ln^2(x)\sin(x^2)dx=\frac{1}{32}\sqrt{\frac{\pi}{2}}(2\gamma-\pi+\ln16)^2$
Jan 26 '19 at 20:17
4
Why is $a^{-x}$ defined to be equal to $\frac{1}{a^x}$?
Dec 26 '18 at 20:55
4
Integration of $\int_0^\frac{\pi}{6} \cos^{-3}2x \sin2x \,\ dx $?
Dec 11 '18 at 16:40
4
Present $\frac{1}{x^p-x}$ as a sum of simple fractions in $\mathbb{Z}_p$
Dec 4 '18 at 14:58
4
Integrals $\int_{1}^{2} \frac{\mathrm dx}{\log x}$ and $\int_{0}^{+\infty} \left| \frac{\sin x}{x} \right| \mathrm dx$
Nov 30 '18 at 21:16
4
Let 𝐴, 𝐵 and 𝐶 be sets. Prove formally that |𝐴 ∪ 𝐵 ∪ 𝐶| = |𝐴| + |𝐵| + |𝐶| − |𝐴 ∩ 𝐵| − |𝐴 ∩ 𝐶| − |𝐵 ∩ 𝐶| + |𝐴 ∩ 𝐵 ∩ 𝐶|
Nov 21 '18 at 22:29
4
What is the average distance between two points on the perimeter of a rectangle?
Nov 13 '18 at 0:59
4
Why is an element in $\mathbb{Z}[\sqrt{2}]$ a unit iff $a^2-2b^2 = \pm 1$?
Oct 23 '18 at 23:37
4
which should be my bounds of integration be after the following substitution?
Oct 19 '18 at 21:59
4
Why isn't $\int \frac{1}{x}~dx = \frac{x^0}{0}$?
Mar 19 '18 at 23:59
4
How to prove divisibility of a number using the binomial expansion?
Oct 6 '18 at 17:32
4
trigonometry finding 2 possible $\cos$ values of an angle
Jun 26 '18 at 19:01
4
Two Player Strategy Game
Mar 19 '18 at 23:45
4
What is the value of $\left \lfloor \frac{1}{3} + \frac{i}{2} \right \rfloor $?
Mar 7 '18 at 0:29
4
Proving complex series $1 + \cos\theta + \cos2\theta +… + \cos n\theta $
Jan 24 '18 at 0:41
4
How to solve for $x$ in $\frac{e^x}{e^x + 2} = 0.9$
Nov 11 '17 at 22:29
4
What is the name of this theorem of Jakob Steiner's, and why is it true?
Oct 23 '17 at 23:22
4
Largest Odd Divisor Sum Help
Sep 16 '17 at 21:07
4
Express $27\cdot16^{11}+16^7+33\cdot16^4-16^4$ as a hexadecimal number
Aug 26 '17 at 15:38
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