maths
posted by tuhituhi .
if x=2^1/3 + 2^2/3 show that x^36x =6

maths 
Steve
just plug and chug:
x = ∛2+∛4
x^3 = (∛2+∛4)^3
= 2 + 3∛16 + 3∛32 + 4
= 2 + 6∛2 + 6∛4 + 4
= 6 + 6∛2 + 6∛4
now subtract 6x to get 6
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