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Find the indicated partial derivative. (Assume a, b, and c are greater than three.)

u = x^(a)y^(b)z^(c)
[∂^(6)u]/[∂x ∂y^(2)∂z^(3)]=

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U = x^a y^b z^c
Ux = ax^(a-1) * y^b * z^c
Uxy = ax^(a-1) * by^(b-1) * z^c
Uxyy = ax^(a-1) * b(b-1)y^(b-2) * z^c
See where this is going?

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