1) ((a^1/6 b^-3)^3 / (x^-1y)^3) X ((x^-2 b^-1) / (a^3/2 y^1/3))

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Arbitrary integer exponents:

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$\"b^{-n}$ .

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Identities and properties:

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2) ((4st)^3/2 / (8s^9 t^-4)^2/3) X ((2s^-6)^-1 / (3t^1/3)^-1)

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