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sqrt(10x2)

 Jul 28, 2020
 #1
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sqrt (10x2 )    =    x sqrt 10     

 

 

or maybe     sqrt (10 x 2 )   = sqrt 20 =  sqrt (4*5) = 2 sqrt 5

 Jul 28, 2020
 #2
avatar+75 
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\(\sqrt(10*2) \\ \\\sqrt(20) \\ \\\sqrt(4*5) \\ \\2\sqrt(5)\)

 

Solution:

 

\(2\sqrt(5)\)

 Jul 28, 2020

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