Why “X” Became the Symbol for the Unknown (And Not Other Letters)
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Why “X” Became the Symbol for the Unknown (And Not Other Letters)
Why is the letter “X” always used to represent the unknown in math? 🤔 Is it just a random choice… or is there a deeper story behind it? In this video, we explore the surprising history of how “X” became one of the most iconic symbols in mathematics. From ancient Arabic scholars using the word “shay” (meaning “thing”), to ...
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