But why is there no quintic formula? | Galois Theory
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Why There's 'No' Quintic Formula (proof without Galois theory)
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Why you can't solve quintic equations (Galois theory approach) #SoME2
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The problem Euclid couldn't solve
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Galois Theory Explained Simply
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The Definition of the Gamma function
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What is the square root of two? | The Fundamental Theorem of Galois Theory
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Group theory, abstraction, and the 196,883-dimensional monster
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