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Jensen's theorem states that for any nonconstant polynomial with real coefficients, every nonreal root of lies inside a disk determined by some pair of conjugate nonreal zeros of . Blue dots are roots of , orange dots are nonreal roots of , and gray disks are real roots of .
Contributed by: Michael Schreiber (March 2011)
Open content licensed under CC BY-NC-SA
Wolfram Demonstrations Project
Published: March 7 2011