# 14. (★★) コーシー・シュワルツの不等式（早稲田大） [mathkarat]
いろいろな解き方のある問題です。今回は、コーシー・シュワルツの不等式を用いて解いてみました。この不等式は、難問などで威力を発揮することがよくあります。是非、取得して下さい。
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# 4. (★★) 4step 数Ⅱ16の類題(p8) 式と証明
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# 182. (★★★) 展開式の係数の最大（弘前大）
![Super useful] Cauchy-Schwarz inequality directly related to the score.](https://i.ytimg.com/vi/qhqg8F6dv5Y/hq720.jpg?sqp=-oaymwEbCNAFEJQDSFryq4qpAw0IARUAAIhCGAG4AvcY&rs=AOn4CLBQeLg4uk3FN1WBWyoSYJqTd5OOGg&usqp=CCc)
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Super useful] Cauchy-Schwarz inequality directly related to the score.
![[14-13] Derive the "Cauchy-Schwartz inequality" using vectors! Find the unit you're interested in...](https://i.ytimg.com/vi/A-pFU0SmImk/hq720.jpg?sqp=-oaymwEbCNAFEJQDSFryq4qpAw0IARUAAIhCGAG4AvcY&rs=AOn4CLC-X6aMitgoNPaeiFz3u-JV7xm1QQ&usqp=CCc)
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[14-13] Derive the "Cauchy-Schwartz inequality" using vectors! Find the unit you're interested in...
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# 110. (★★★) 数ⅠAⅡB （慶応義塾大）
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26年 神戸大(理系) 数学 第3問
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#307. (★★) 相加・相乗平均の等号成立とは？
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コーシー・シュワルツ不等式【数学ⅡB・式と証明】
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コーシー・シュワルツの不等式【式と証明が面白いほどわかる】
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I integrated the quadratic formula
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What if we play a prank on professors with a professional pianist, Hayato Sumino...?
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Hitler reacts to Germany being knocked out of the World Cup by Paraguay
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I will teach you all about additive-synergistic averaging.
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The Professor Who Taught People How To Think (1962)
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# 262. (★★★) 2024 慶應大（文系・環境情報）
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We're 99.9% sure this pattern is true, but no one can prove it
![[Factorization] A shortcut technique that is too bad if you don't know it.](https://i.ytimg.com/vi/3AcYxwuS22k/hq720.jpg?sqp=-oaymwEbCNAFEJQDSFryq4qpAw0IARUAAIhCGAG4AvcY&rs=AOn4CLA_Lcoi0Wr3C8HyVgd5BTZZrZPDCg&usqp=CCc)
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[Factorization] A shortcut technique that is too bad if you don't know it.
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Who is Smarter? Engineer vs Chinese 5th Grader
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【ゼロから数学】式と証明8 コーシー・シュワルツの不等式*
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