Consider the polynomial P(x) = 4x² + 5x³ − 2x² + 5x – 6. (b) What are the possible rational roots 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
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Consider the polynomial P(x)=4x4+5x3−2x2+5x−6P(x)=4x4+5x3−2x2+5x−6.

(b) What are the possible rational roots of P(x)P(x)?

Consider the polynomial P(x) = 4x² + 5x³ − 2x² + 5x − 6.
(b) What are the possible rational roots of P(x)?
Transcribed Image Text:Consider the polynomial P(x) = 4x² + 5x³ − 2x² + 5x − 6. (b) What are the possible rational roots of P(x)?
Expert Solution
Step 1

Given polynomial is

P(x)=4x4+5x3-2x2+5x-6

The possible rational roots of P(x) are determined as shown in the next step.

 

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