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Ikki O’zgaruvchili Funksiyalarning Aniqlanish Sohasini Topishda Geogebra Va Desmos Amaliy Dasturlarining Imkoniyatlari. Divers. res. j. analysis trends. 2023;1(3):24-28. Accessed May 4, 2026. https://mail.academiaone.org/index.php/2/article/view/80