a. Find a function (f(x,y,z)) such that (F = Vf(x,y,z))? b. Use part (a) to evaluate (F. dr ) along the given curve (C)? F(x,y,z) (6xyz) î + 3x²zj + (3x²y + 5z) k C is the line segment from (1, − 1, − 2) to (− 1,2,4) - =

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