Multiply top / bottom by 1 + 3^(1/3) + 3^(2/3)
Note that the bottom becomes
(3^(1/3) - 1) ( 1 + 3^(1/3) + 3^(2/3) ) =
3^(1/3) + 3^(2/3) + 3 - 1 - 3^(1/3) - 3^(2/3) = 2
So we have
1 + 3^(1/3) + 3^(2/3) ∛1 + ∛3 + ∛9
__________________ = _____________
2 2
A + B + C + D = 15
