Use Descartes's Rule of Signs to determine the possible number of negative real zeros for the given function.
So far I have this:
1 negative real root.
Last edited by theevilp0ptart; May 6th 2008 at 06:20 PM.
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g(x) has -+-+ That's 3, so 3 or 1 positive.
g(-x) has +--+ That's 2, so 2 or 0 negative.
ALL the negative powers change sign for g(-x). You missed the term.
Last edited by TKHunny; Nov 22nd 2009 at 11:51 AM.
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