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Question Number 27402 by sirigidiravikumar@gmail.com last updated on 06/Jan/18

$$5\sqrt{{243}^2}$$

Answered by Joel578 last updated on 06/Jan/18

$$5.\sqrt{{\left(243\right)}^2}=5.{\left(243\right)}^{\frac{2}{2}}=1215$$$$$$$$\sqrt[5]{{\left(243\right)}^2}={\left(243\right)}^{\frac{2}{5}}={\left(3^5\right)}^{\frac{2}{5}}=3^2=9$$

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