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研究所、轉學考(插大)-微積分
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108年 - 108 國立臺北大學日間學士班轉學生招生考試_統計學系日間學士班二年級：微積分#116784
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題組內容
4. Let f(x,y)=
(b) (7%) Find ∇f(1,-2), the gradient of f(x,y) at(1,-2).
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