Question: In Exercises 6368, find f x , f y , and f z , and evaluate each at the given point. f(x, y, z) =

In Exercises 63–68, find fx, fy, and fz, and evaluate each at the given point.


f(x, y, z) = 3x + y = 2z, (1, -2, 1)

f(x, y, z) = 3x + y = 2z, (1, -2, 1)

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