Alg2.1.5

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solution \sqrt{243}\,

Writing the factors for the number \sqrt{243}=\sqrt{9\cdot27}\,

\sqrt{243}=\sqrt{(3^{2})\cdot27}\,

\sqrt{243}=3\sqrt{9\cdot3}\,

\sqrt{243}=3\sqrt{(3^{2}\cdot3}\,

Final solution is \sqrt{243}=9\sqrt{3}\,


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