math

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please help simplify

(3y/x^4)^-3

1/(1+square root of a)


what would be the best solution:
(1)/(x-2) +8= (x)/(x-2)

  • math -

    ( 3 y / x ^ 4 )^ - 3 =

    1 / [ ( 3 y / x ^ 4 )^ 3 ] =



    --------------------

    Remark:

    3 ^ 3 = 27

    ( x ^ 4 ) ^ 3 = x ^ ( 4 * 3 ) = x ^ 12

    -----------------------



    1 / ( 27 y ^ 3 / x ^ 12 ] =

    x ^ 12 / 27 y ^ 3

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