微分を使用してグラフに水平接線がある点を見つける方法
暗黙的に水平接線を形成する x 値を見つける方法
パラメトリック関数の水平接線と垂直接線 |微積分2
水平接線を見つける
関数が水平接線を持つ値を検索します。
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horizontal tangents
Finding the Equation of Horizontal Tangent Lines | IB SL Math AA
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Find all the points where the surface has a horizontal tangent plane
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