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Results tagged with cauchy-schwarz-inequality
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The Cauchy-Schwarz inequality states $|\langle x,y \rangle |\leq ||x||\cdot ||y||.$ Use this tag for questions related to the CS inequality and its applications.
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Did Euler ever use anything similar to Cauchy's inequality?
This could be asked more provocatively, indeed how it arose, as "how did Euler do so much mathematics without using and/or knowing Cauchy's inequality?", something that came up in the context when rea …
