New posts in Solution Verification

find the remainder for $\color{purple}{TETRATION}$ such that $( {^{2021}2021}(\mod13))$

Right versus left derivative by increasing one-sided derivatives

Why doesn't my derivation of the arcsec derivative formula not work?

$\lim\limits_{n\to\infty}n\big(\sum_{k=1}^n\frac{k^2}{n^3+kn}-\frac{1}{3}\big)$?

Integration in a non-standard way (a nonsense)?

Prove that limit doesn't exists at all

Solve $e^{2z} - 2e^z + 2= 0$

Proof of greatest element of a non-empty set

For any $S \subseteq \mathbf{R}$, if $\partial S$ denotes the boundary of $S$, prove that $\partial(\partial S) \subseteq \partial S$.

Combinatorial proof of ${2n\choose n}n!\le (2n)^{n}$