Question

If x =2 + (2)^2/3 +( 2)^1/3, then the value of x3 - 6x2 + 6x is
(A) 3
(B)2
(C) 1
(D) none of these​

Answer 1

Answer:

x =2 + (2)^2/3 +( 2)^1/3

x = 2+ 4/3+ 2/3

x = 4

x3 - 6x2 + 6x = 4^3- 6*4^2 + 6*4

= 12-96+24

= -108

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