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Domain of a Radical Function http://www.khanacademy.org/video/domain-of-a-radical-function ------------------------------------------------------------ يتناول هذا الفيديو حلاً لمسألة لايجاد مجال اقتران جذري ------------------------------------------------------------ شكر خاص لمؤسسة شركاء في التنمية المستدامة -- فلسطين http://psdpal.org