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Let p(z) be a real polynomial all of whose zeros lie in the closed interior of the circle whose diameter is the segment alpha beta of the axis of reals, and let all the non-real zeros lie interior to that circle. For each pair z sub k, conjugate z sub k of conjugate imaginary zeros of p(z) let gamma z sub k be the circle tangent at z sub k and conjugate z sub k to the respective circles alpha z sub k beta and alpha conjugate z sub k beta. Then all non-real zeros of p prime (z) lie in the closed interiors of the gamma sub k. (Author).
From New York Times bestselling author, William W. Johnstone, comes not one, but TWO unforgettable epics of the American West. Featuring the Western legend Smoke Jensen, and available at a combined low price. A man of the mountains, Smoke Jensen forged his steely brand of justice in the untamed, unforgiving wilderness of the American West. Bad Days for Bad Men presents two legendary adventures of the original Mountain Man by national bestselling authors William W. and J.A. Johnstone. BETRAYAL OF THE MT MAN Smoke is determined to stay on the right side of the law—until he's jumped by six low-life robbers who steal his shirt and his identity. Tried for robbery and murder, Smoke’s sentenced...
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