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20-07-2016
Mathematics

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What is a simpler form of the radical expression?
4 sqrt 81x^20y^8

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21-07-2016

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[tex] \sqrt{xyz}=( \sqrt{x} )( \sqrt{y} )( \sqrt{z}) [/tex]
4[tex] \sqrt{81x^(20)y^8} [/tex]=
4[tex]=( \sqrt{81} )( \sqrt{x^{20}} )( \sqrt{y^8}) [/tex]=
4[tex]=(9)( x^{10} )( y^{4}) [/tex]=
36x¹⁶y⁴

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