Find Vf at the given point. f(x,y,z) = x³ + y² − 2z² + z ln x, - = vf|(1,2,3) i++O* (Type exact answers, using radicals as needed.) (1,2,3) İ+

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A: Explanation of the solution is given below...

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A: Solve the problem using partial fractions

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A: Given function is f(z) = x3 + axy2 + i3x2y + iby3 by comparing f(z) = u +i v here u = x3 + axy2  and…

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