Consider the polynomial P(x) = 4x6 − 4x5 + 11x¹ − 7x³ +5x² + 2x − 2. (b) Use Descartes' Rules of Signs to determine the number of possible positive real zeros and the number of possible negative real zeros of P(x).
Consider the polynomial P(x) = 4x6 − 4x5 + 11x¹ − 7x³ +5x² + 2x − 2. (b) Use Descartes' Rules of Signs to determine the number of possible positive real zeros and the number of possible negative real zeros of P(x).
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Consider the polynomial P(x)=4x6−4x5+11x4−7x3+5x2+2x−2P(x)=4x6−4x5+11x4−7x3+5x2+2x−2.
(b) Use Descartes' Rules of Signs to determine the number of possible positive real zeros and the number of possible negative real zeros of P(x)P(x).
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