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Mathematics 8 Online
OpenStudy (anonymous):

Why does √(18x^6 y^11) = √(9(x³)²(y^5)²(2y))? Where does the 9 and the 2y come from? Thanks.

OpenStudy (anonymous):

Or does it not? and http://tutorial.math.lamar.edu/classes/alg/radicals.aspx is mistaken

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