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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §13.2 Partial Derivatives, #31 · Multivariable Calculus · Partial derivatives

Calculate all eight third derivatives … of

Calculate all eight third derivatives $f_{xxx}, f_{xx y}, \dots$ of $f = x^{3} y^{3}$ . How many are different?

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §13.2 Partial Derivatives, #31

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