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13-06-2017
Mathematics

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

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13-06-2017

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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