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Simplify these radicals

 

 Mar 12, 2021
 #1
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I'll do the first one....you try the others

 

sqrt (98 ) =   sqrt (49 * 2)   =   7 * sqrt (2) 

 

 

Hint for the second one   128 =    64 * 2

Here is a hint for the last one    63 = 9 * 7

 Mar 12, 2021

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