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In the first part of the series, we will repeat the basic procedure for finding the domain of a function given by a formula. The set of lectures was created at the Faculty of Electrical Engineering of the Czech Technical University in Prague as preparation for the final exam and entrance exams. At the same time, these are topics that surprisingly often bother (some) students in the first semester, especially in mathematical analysis. — https://www.fel.cvut.cz/cz/prestudent...