+0  
 
0
272
3
avatar+1405 

Help Me Please

 

Roots

 

Find the principal root indicated

 

121y2

64x6

 Jan 24, 2018
 #1
avatar+10 
0

Are you rounding, cuz if so, the answer is 1.9 or 1.89

 Jan 24, 2018
 #2
avatar+96055 
+1

I assume we want the positive square root...so we can  write

 

√ 121y2           √ 121        √ y2                         11 y 

 _____  =      _____    *   ____       =            ______

√ 64x6              √ 64          √ x6                        8 x3

 

 

The only thing that might give you trouble is this :

 

  √ x6    =   ( x6 )1/2    =  x3

 

 

 

Did you understand, Manuel   ????

 

cool cool cool

 Jan 24, 2018
 #3
avatar+1405 
-1

yes, thank you

 Jan 24, 2018

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