drizzy39 drizzy39

19-08-2016
Mathematics

contestada

How many negative roots can this polynomial function possibly have?
f(x) = 5x4 – 7x3 – x2 – 3x – 2

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dalendrk dalendrk

19-08-2016

[tex]f(x)=\fbox5x^4-7x^3-x^2-3x-\fbox2\\\\2\to \pm1;\ \pm2\\5\to\pm1;\ \pm5\\\\Answer:\{-1;-2; -5; -\dfrac{1}{5};-\dfrac{2}{5}\}\Rightarrow5\ negative\ roots[/tex]

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