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what is (3 x square root of 5)squared?

 Apr 12, 2016
 #1
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0

The answer is 15

 Apr 12, 2016
 #2
avatar+13 
+1

 \((3*\sqrt{5})^2=\)

 

\(3^2*(\sqrt{5})^2=\)

 

\(9*5=45\)

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 Apr 12, 2016
 #3
avatar+9459 
+1

\((3\sqrt{5})^2= 3^2\times(\sqrt{5})^2=9\times5=45\)

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 Apr 12, 2016

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