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Arithmetic Roots (Posted on 2016-03-02) Difficulty: 3 of 5
For what values k does the polynomial f(x) = x^4 + 7x^3 + 9x^2 - 7x + k have three roots in arithmetic progression?

See The Solution Submitted by Brian Smith    
Rating: 4.0000 (1 votes)

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  Subject Author Date
SolutionAnalytic solution (outline)Harry2016-03-02 12:19:05
Solutionsolution with computer assistCharlie2016-03-02 10:32:09
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