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OpenStudy (anonymous):
DRS theorem for f(x)=x^3+9x^2-64x-336
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OpenStudy (anonymous):
are you talking about descartes rule?
OpenStudy (anonymous):
yes can you help me?
OpenStudy (anonymous):
the number of possible positive numbers is 1, because there is one sign change in the functions
OpenStudy (anonymous):
can you show ur work?
OpenStudy (anonymous):
there is no work to show,the only sign change is between 9x^2 and 64x, from plus to minus.
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OpenStudy (anonymous):
ohh k thanks
OpenStudy (anonymous):
anytime
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