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22 October, 20:08

If the expression (2ya) 4 is equivalent to 16y8, what is the value of A.

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  1. 22 October, 23:27
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    If you meant:

    (2ya) ^4=16y^8 raise the left side to the power of four

    16y^4*a^4=16y^8 divide both sides by 16y^4

    a^4=y^4 take the quartic root of both sides

    a=±y
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