Why “X” Became the Symbol for the Unknown (And Not Other Letters)
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YouTubeMindscape Science
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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A morte do policial civil e piloto da Core, Felipe Monteiro Marques, foi confirmada neste domingo após um longo período de recuperação. O agente ficou conhecido nacionalmente após uma operação aérea no Rio de Janeiro e teve sua trajetória acompanhada por milhares de pessoas nas redes sociais. A confirmação gerou grande repercussão entre colegas, autoridades e moradores do estado. 🚁🖤 #FelipeMonteiroMarques #CORE #Noticias #RioDeJaneiro #Jornalismo
1:08
A morte do policial civil e piloto da Core, Felipe Monteiro Marques, foi confirmada neste domingo após um longo período de recuperação. O agente ficou conhecido nacionalmente após uma operação aérea no Rio de Janeiro e teve sua trajetória acompanhada por milhares de pessoas nas redes sociais. A confirmação gerou grande repercussão entre colegas, autoridades e moradores do estado. 🚁🖤 #FelipeMonteiroMarques #CORE #Noticias #RioDeJaneiro #Jornalismo
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