algebra

Rewrite with positive exponents. Assume that even roots are of nonnegative quantities and that all denominators are nonzero.
(2x^2y-^1)^-6

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1. (2x^2y-^1)^-6

1/(2x^2y-^1)^6

1/(2^6 x^12 y^-6)

y^6 / 64x^12

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