【高校数学】2変数関数の最大・最小 基本4パターンをゆっくり解説！
Synopsis
訂正 2:36 あたり -2(x-2)^2-8 となっていますが、正しくは -2(x-2)^2+8 です。 小春六花ちゃん（CeVIO AI）、春日部つむぎ ...
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