6. Determine whether there are any points on the surfacez2 + xy - 2x -y2 = 1at which the tangent pla

問題詳情

6. Determine whether there are any points on the surfacez2 + xy - 2x -y2 = 1at which the tangent plane is parallel to z = 2. (10%)

參考答案

答案：A
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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