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March 25, 2017

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(a^5 B/a^7 B^-2)^-3

  • math - ,

    (a^5 B/a^7 B^-2)^-3
    again, you probably meant:
    (a^5 b/(a^7 b^-2))^-3 , (any reason for the capital B ?)
    = [(b^3)/a^2)]^-3
    = [a^2/b^3]^3
    = a^6/b^9

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