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OpenStudy (anonymous):
According to Descartes' rule of signs, how many possible negative real roots could the following polynomial function have? f(x)=3x⁴-5x³+5x²+5x+2 A. Three B. Three or one C. Two or zero D. One
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OpenStudy (ash2326):
let's find f(-x) \[f(-x)=3x^4+5x^3+5x^2-5x+2\] let's find the no. of sign changes here it's 2 so max no. of negative roots 2 option C
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