問題詳情

7. Find the value of 

 at the point (1,-1, -3) if the equation xz + ylnx-x2 + 4 = 0defines x as a function of two independent variables y and z and the partial derivative exists. (10%)

參考答案

答案：C
難度：非常簡單0.993182
統計：A(0),B(1),C(437),D(1),E(0)