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Descartes' rule of signs |
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Descartes' rule of signs [dā′kärts ′rül əv ′sīnz] (mathematics) A polynomial with real coefficients has at mostkreal positive roots, wherekis the number of sign changes in the polynomial. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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