COMPARATIVE ANALYSIS OF ELEMENTARY AND LAGRANGIAN METHODS FOR DETERMINING THE PERIOD OF FREE ELECTROMAGNETIC OSCILLATIONS ON AN IDEAL OSCILLATORY CIRCUIT Journal title: International scientific journal Science and Innovation Authors: Badalov Kodir, Saloydinov Mirjalol, Shuhratov Ogabek Subject(s): Archaeology, Arts and Literature, Biological Sciences, Chemistry, Computer and Information Science, Economics, Education, Humanities, Law, Linguistics, Mathematics, Medicine, Philosophy, Physics, Psychology, Social Sciences, Architecture, Agricultural Science