If x is a cube root of unity other than 1, then. (x+1/x)^2 + (x^2+1/x^2)^2 + ... + (x^{12}+1/x^{12})^2 =

AP EAMCET Engineering 22 Apr 2019 Shift 1 Paper

Section: Mathematics

Question : 10 of 160

Marks: +1, -0

If x is a cube root of unity other than 1, then.
(x+

)2 + (x2+

)2 + ... + (x12+

x12

)2 =

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