GeoDom

Santo Domingo, 28 de Enero del 2026 Señor Luis Rodolfo Abinader Corona Presidente de la República Dominicana C.c.: Directores y redactores d...

"The world's sneakiest substitution."  — Michael Spivak The classical Weierstrass substitution for integrals of the form \[\i...

The problem : Solution .  We assume $x > 0$. $$\begin{aligned}I &= \int \sqrt{x^2+1+\sqrt{x^4+x^2+1}} \, dx \\ &= \int \frac{t^2-...

One man’s trick may be another man’s method, and there may be more to an apparent trick than first meets the eye.   — Todd Trimble In my som...

In these tables we benchmark the Unified Substitution Method (USM) change of variables that this arXiv draft  (version 1) calls Transformati...

Introduction (classical law of cotangents) In trigonometry, the law of cotangents is a relationship among the side lengths of a triangle an...

Warning : The 19-example table is an eye-catching demo, but it is not large or diverse enough to qualify as a “representative” benchmark in ...