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Find The Value Of 27-1/2

 Oct 28, 2017
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\(27^{-\frac{1}{2}} \\~\\ =\,\frac1{27^{\frac12}} \\~\\ =\,\frac1{\sqrt{27}} \\~\\ =\,\frac{1}{\sqrt{3*3*3}} \\~\\ =\,\frac1{3\sqrt3} \\~\\ =\,\frac{\sqrt3}{9}\)

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 Oct 28, 2017

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