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Aug
21
asked Simpler version of dogbone space construction
Aug
21
answered How to convert a decimal to a fraction easily?
Aug
9
answered What is equating the coefficient of the corresponding power of x?
Aug
2
answered Why this $\sigma \pi \sigma^{-1}$ keeps apearing in my group theory book? (cycle decomposition)
Jul
28
answered Building a box from smaller boxes
Jul
25
answered Cube root of a fraction
Jul
23
answered How to scale an unit vector $u$ in such way that $a u\cdot u=1$ where $a$ is a scalar
Jul
15
answered Find numbers $\overline{abcd}$ so that $\overline{abcd}+\overline{bcd}+\overline{cd}+d+1=\overline{dcba}$
Jul
13
answered Find the probability of A and B occuring
Jul
13
answered Visualization of Rhombus made of Radii and Chords
Jul
9
answered Should the empty set be called “half-open”?
Jul
3
answered Help finding the limit of this series $\frac{1}{4} + \frac{1}{8} + \frac{1}{16} + \frac{1}{32} + \cdots$
Jun
28
answered Which is the largest power of natural number that can be evaluated by computers?
Jun
28
answered Why does the Deduction Theorem use Union?
Jun
14
answered How does one calculate: $\left(\frac{z}{2!}-\frac{z^3}{4!}+\frac{z^5}{6!}-\cdots\right)^2$
Jun
13
answered A misleading commutative diagram
Jun
11
answered square of a permutation cycle
Jun
11
answered Why is the Ramsey`s theorem a generalization of the Pigeonhole principle
Jun
10
answered Category theory with objects as logical expressions over $\{\vee,\wedge,\neg\}$ and morphisms as?
Jun
6
answered How to generate a random number between 1 and 10 with a six-sided die?