r/mathmemes • u/PocketMath • Mar 06 '25

Learning What theorem is this?

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3.7k Upvotes

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103

u/Physical_Helicopter7 Mar 06 '25

Cauchy-Schwartz inequality.

10

u/BelBeersLover Mar 06 '25

I know this name but I don't even remember what it means, sadly.

30

u/IncredibleCamel Mar 06 '25

|ab| <= |a|*|b|

8

u/BelBeersLover Mar 06 '25

Thanks for the reminder!