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28 August, 15:31

What are the possible number of negative zeros of f (x) = - 2x7 - 2x6 7x5 - 7x4 4x3 4x2?

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  1. 28 August, 15:45
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    Hello,

    f (-x) = 2x^7-2x^6-7x^5-7x^4-4x^3+4x^2 has 2 changing signes.

    Maximum possible number of negative roots is 2
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