Mathematics, 10.03.2020 00:17, natalie2sheffield

Se the function to show that fx(0, 0) and fy(0, 0) both exist, but that f is not differentiable at (0, 0). f(x, y) = 9x2y x4 + y2 , (x, y) ≠ (0, 0) 0, (x, y) = (0, 0)

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Se the function to show that fx(0, 0) and fy(0, 0) both exist, but that f is not differentiable at (...