x=2+2^1/3 + 2^2/3
Find value of
X^3-6x^2+6x-2
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x+1/2x = 2. 2x+2/2x = 4. ⇒ 2x +1/x = 4. On cubing. 8x3+1/x3 + 3.2x 1/x {2x + 1/x} =64. ⇒ 8x3 + 1/x3 +6 x 4=64. ⇒ 8x3 + 1/x3. ⇒ 64-24 = 40.
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