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Intereting Posts

Finite group for which $|\{x:x^m=e\}|\leq m$ for all $m$ is cyclic.
Proving Pascal's Rule : ${{n} \choose {r}}={{n-1} \choose {r-1}}+{{n-1} \choose r}$ when $1\leq r\leq n$
Exercise review: perpendicular-to-plane line
Is a differentiable function always continuous?
Are there any simple ways to see that $e^z-z=0$ has infinitely many solutions?
Constructing the 11-gon by splitting an angle in five
There is a unique polynomial interpolating $f$ and its derivatives
Functions by which one can multiply elements of $L^1_{\text{loc}}$
How to calculate the distance between this two houses?
Why do mathematicians use this symbol $\mathbb R$ to represent the real numbers?
101 positive integers placed on a circle
Primes in a Power series ring
What is the affine connection, and what is the intuition behind/for affine connection?
Links between difference and differential equations?
exercise VII.G5 in kunen