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avatar+269 

I have a feeling this isn't that hard, it just looks like it, but then again I don't even know how to start it.  

LaughingFace  May 7, 2018
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2+0 Answers

 #1
avatar+86643 
+1

Cubing the  2  and putting it back under the root   would result  in  2^3  = 8

Cubing  the a^3  and putting it back under the root would result  in  (a^3)^3  =  a^9

Cubing  the b^2  and putting it back under the root  would result in  (b^2)^3  = b^6

 

So....we  must have had

 

3√  [ 8 * 12 * a^9 * b^6 * b  ] = 

 

3√ [ 96 * a^9  * b^7 ] 

 

Does that make some sense, LF  ????

 

 

cool cool cool

CPhill  May 7, 2018
 #2
avatar+269 
+1

It seems confusing at first, but after you explaining, I understand how you got the final answer, Thanks!  

LaughingFace  May 7, 2018

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