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sqrt3(54)+sqrt3(16) Simplify

 Feb 9, 2017
edited by Guest  Feb 9, 2017
 #1
avatar+129840 
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∛54  + ∛16  =

 

∛[27 *2 ] + ∛[8 * 2] =

 

∛27 *∛2  + ∛8 *∛2  =

 

3∛2 + 2∛2  =

 

5∛2

 

 

cool cool cool

 Feb 9, 2017
 #2
avatar+37084 
0

cubrt (54)  =  cubrt(27*2) = 3 cubrt 2

cubrt(16)  =  cubrt (8*2)  =  2 cubrt 2

 

add them together    5 cubrt(2)

 Feb 9, 2017

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