1 1*(∛2²+ ∛2*√2 +√2²) (∛2²+ ∛2*√2 +√2²)
---------- = ---------------------------------------------- = ------------------------------------- =
(∛2-√2) (∛2-√2) (∛2²+ ∛2*√2 +√2²) (∛2)³-(√2)³
(∛2²+ ∛2*√2 +2) (∛2²+ ∛2*√2 +2)*(2- 2√2)
= --------------------------------- = --------------------------------------------- =
(2- 2√2) (2- 2√2)(2+ 2√2)
(∛2²+ ∛2*√2 +2)*(2- 2√2)
= ------------------------------------------------------------ =
4- 8
(∛2²+ ∛2*√2 +2)*(2- 2√2)
= ------------------------------------------------------------
-4