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Mathematics, 27.07.2019 05:30 ftbluedevil

Which expression is equivalent to (x^-4y/x^-9y^5)^-2 ? assume x β‰  0, y β‰  0

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Which expression is equivalent to (x^-4y/x^-9y^5)^-2 ? assume x β‰  0, y β‰  0...
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