Since when do we call a function of a ratio of two integrals a closed form solution? https://en.wikipedia.org/wiki/Goat_problem?Closed-form_solution https://en

Since when do we call a function of a ratio of two integrals a closed form solution? https://en.wikipedia.org/wiki/Goat_problem?Closed-form_solution https://en.wikipedia.org/wiki/Goat_problem?Closed-form_solut... https://en.wikipedia.org/wiki/Closed-form_expression?Comparison_of_different_classes_of_expressions https://en.wikipedia.org/wiki/Closed-form_expression?Compari...