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If x = 3 + 3^(2//3)+3^(1//3), then the v...

If `x = 3 + 3^(2//3)+3^(1//3)`, then the value `x^3-9x^2+18x-12` is :

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The correct Answer is:
`x^(2)-9x^(2)+18x-12=0`
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