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Mathematics 14 Online
OpenStudy (anonymous):

p(x) = x5 − 2x3 + 2x2 − 3x + 12 from an example from a math website, it is ti said that this equation has 4 variation sign. How to know there re 4 sign there, i still don understand Descartes’ Rule of Signs.

OpenStudy (anonymous):

\[ +x^5 − 2x^3 + 2x^2 − 3x + 12 \] How many change of sign are there?

OpenStudy (anonymous):

change means + to - and - to +

OpenStudy (anonymous):

oh thanks !!

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