If P1x2 is an even function, and by Descartes rule of signs, P1x2 has one positive real
Chapter 4, Problem 99(choose chapter or problem)
If P1x2 is an even function, and by Descartes rule of signs, P1x2 has one positive real zero, how many negative real zeros does P1x2 have? Explain. [4.4]
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