If x +(1/x)= (3)^(1/2) then the value of x18 + x 12 + x6 + 1 is:
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https://www.meritnation.com/ask-answer/question/if-x-1-x-2-3-find-the-value-of-x72-x66-x54-x48-x18-x12-x6/polynomials/5734087