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Mathematics
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hexomino
  • Member for 8 years, 6 months
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23
Have I totally misunderstood the Banach–Tarski paradox?
Jan 20, 2017
answer
13
Convergence of $\sum_{n}\frac{q_n}{n}$, where $(q_n)$ enumerates $\mathbb{Q}\cap[0,1]$?
Sep 24, 2020
answer
12
How to prove there are no solutions to the equation $a^2-4ab+b^2=0$ if $a$ and $b$ are real numbers and $b \neq 0$?
Dec 12, 2016
question
8
Sudoku: Maximal minimum number of starting clues
Jun 25, 2019
answer
7
Finding limit of $ \lim \limits_{x,y \to 0,0}{(1 + x^2 y^2)}^{-\frac{1}{x^2 + y^2}}$
Mar 29, 2016
answer
5
If $h(n+1)=h(n)+3$ and $h(0)=1$ , give an explicit expression for $h(n)$ without "guess" $h(n)=3n+1$ first .
Jun 26, 2019
answer
4
Integrate this expression involving exponential and polynomial $\int_0^\infty\frac{\lambda^{n}e^{-\lambda}}{(\lambda + b)^2}\, \text{d}\lambda$
Apr 19, 2016
answer
4
Intermediate Value Theorem Converse
Jun 23, 2016
answer
4
Prove a convex and concave function can have at most 2 solutions
Jan 24, 2017
answer
3
Maximum value of $(ab)(a+b)$ given $a^2 + b^2 = 100$
Apr 1, 2016
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89
My dead mom left behind some number code
84
Thanks, dad! Never again
76
An invisible traveller
70
Prove that 11111=0
61
I can't die. Who am I?