Let m be a non-zero real parameter and f(x, y, z) = xy + mz2 cos(x) – 2xe32. Then the minimum rate of change of f at the point A(t, 1,0) is: -Vm? + 37m²² -V1 + 37n2 equal to the above O equal to the above -/(1 – 2m)2 + n² + 36m²n²

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