how do I find all u in R such that Q(u)=Q(√2,³ √5 ) (square root of two and cubed root of 5) and prove they are the same. PLEASE help im desperate! I understand that one possible u is √2+³ √5 but i dont know hoe to prove it withou pages of algebra and i dont know what the others are.(adsbygoogle = window.adsbygoogle || []).push({});

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# Field extensions question

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