In Example 4, change all signs between terms. (Leave the first term positive.) Data from Example 4
Question:
In Example 4, change all signs between terms. (Leave the first term positive.)
Data from Example 4
For the equation 4x5 − x4 − 4x3 + x2 − 5x − 6 = 0, we write
Thus, there are no more than three positive and two negative roots.
Transcribed Image Text:
f(x) = = 4x5x4 - 4x³ + x² - 5x - 6 f(-x) = -4x5x4 + 4x³ + x² + 5x - 6 수 three sign changes two sign changes
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Related Book For
Basic Technical Mathematics
ISBN: 9780137529896
12th Edition
Authors: Allyn J. Washington, Richard Evans
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