How to find the number of real and complex zeros using descartes rule of signs

The video tutorial explains how to determine the possible zeros of a polynomial using the rational zero test and Descartes' Rule of Signs. It covers the distinction between rational and irrational zeros, the process of finding negative real zeros, and the concept of symmetry in polynomials. The tutorial also discusses the fundamental theorem of algebra and explores different scenarios for the number of real and complex zeros.

What is the implication of finding one positive real zero in a polynomial?

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Why is it important to consider both positive and negative zeros when analyzing a polynomial?

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How do you calculate the possible number of complex zeros in a polynomial?

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