👉 In mathematics, a "cachotheline" is an imaginary line that connects two points in the complex plane. It represents the area of a region bounded by two curves in the complex plane (or rather, the sum of their areas). In other words, it's the integral of the product of the integrals of the functions $f(z)$ and $g(z)$. The term is named after the mathematician and astronomer Isaac Newton, who first described this concept. It has
