Descartes' Rule of Signs

Published: 05 July 2020
on channel: GreeneMath.com
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In this lesson, we will learn about Descartes' Rule of Signs. This rule allows us to determine the possible number of positive real zeros and the possible number of negative real zeros for a polynomial function with real coefficients and a nonzero constant term. This rule will help us to narrow down our choices when looking for zeros of a polynomial function.


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