+0  
 
0
41
1
avatar+20 

 

thank you for the help

 

 

gakinotsukai  Aug 26, 2018
 #1
avatar+88775 
+2

(5ab)^(2/3)  =

(5^2 * a^2 * b^2) ^(1/3) =

3√ [ 25 a^2 b^2 ]

 

3√ [ 27 x^6 y^3 ]  =

( 3^3 * x^6 * y^3)^(1/3) =    [use the fact that   (a^m)^n  =  a^(m*n)

(3 * x^2 * y)

 

 

cool cool cool

CPhill  Aug 26, 2018

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