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  3. solve for x x^4 + 2x^3 + 2x^2 + 3x + 1 = 0

Solve for x x^4 + 2x^3 + 2x^2 + 3x + 1 = 0

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Basic Math

Solve for x

x^4 + 2x^3 + 2x^2 + 3x + 1 = 0

Answer & Explanation Solved by verified expert
4.5 Ratings (882 Votes)
As per the Descartes rule of signs the number of positive realzeroes in a polynomial function fx is the same as the number ofchanges in the sign of the coefficients or less than this numberby an even number Similarly the number of negative real zeroes ofthe polynomial function fx is the same as    See Answer
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