second partial derivatives

Find the second partial derivatives of f(x,y)=4x³y-7xy²
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∂f/∂x=12x²y-7y²; ∂f/∂y=4x³-14xy.

Second partial derivatives:

∂²f/∂x∂y=12x²-14y; ∂²f/∂x²=24xy; ∂²f/∂y²=-14x.

by Top Rated User (1.2m points)

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