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Cubic formula 
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#19
Aug1604, 07:09 AM

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Matt: I much prefer "sovable". Whenever I see not "soluble", I immediately think "not even if you put in strong acid?"



#20
Aug1604, 07:53 AM

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I agree, but Ian Stewart, whose book is the preferred teaching material for galois theory these days in many places, uses soluble.



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