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[" If "x^(2)+(1)/(x^(2))=7" ,- find the ...

[" If "x^(2)+(1)/(x^(2))=7" ,- find the value of "x^(3)+(1)/(x^(3))],[" If the bolynomial "ax^(3)+4x^(2)+3x-4" and "]

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