Evaluate the function at the given values of the independent variables. Simplify the results. f(x, y) = 3x2 – 2y (a) f(x + Ax, y) – f(x, y), AX + 0 Дх (b) f(x, y + Ay) – f(x, y), Ay = 0 Ду 1
Find the four second partial derivatives. Observe that the second mixed partials are equal. 2 = x4 - 2xy + 7уз Z ә22 Әx2 || II Ә22 дхду ә27 ду? ә2, дудх
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