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Simplify\(\frac{2\sqrt[3]9}{1 + \sqrt[3]3 + \sqrt[3]9}\)

 Mar 11, 2019
edited by Guest  Mar 11, 2019
 #1
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I will give you a very big hint:

 

the denominator is of the from    x^2+x+1 where   x=cube root of 3

AND

(x-1)( x^2+x+1) = x^3-1

 

You need to rationalize the denominator.

 

Please no one answer over the top of me - I am trying to help guest learn!

 Mar 11, 2019

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