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R[X]/(X^2+1)*R[X]

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KY

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Nov 7, 2009, 10:04:04 PM11/7/09
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c=1/(-(1/3) + 1/3*(25/2 - (3*Sqrt[69])/2)^ (1/3) + 1/3*(1/2*(25 + 3*Sqrt[69]))^ (1/3) + 1/2 + (I*Sqrt[3])/2)

Write c in the form a + b*i.

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