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square root of 5 times by square root of 45

Guest Oct 3, 2017
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square root of 5 times by square root of 45

 

\(\sqrt5*\sqrt{45}\\ =\sqrt5*\sqrt9*\sqrt5\\ =\sqrt{25}*\sqrt9\\ =5*3\\= 15\)

Melody  Oct 3, 2017

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