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Mathematics, 05.12.2020 01:00 Staceyrycz2772

I NEED THE ANSWER ASAP Determine one of the best possible numbers of positive real zeros, negative real zeros, and imaginary zeros for f(x)=2x^7-3x^6+5x^4+x^3-6x^2+1 by using Descartes' Rule of Signs.
a.)1,1,5,7
b.)2,2,3,7
c.)2,3,2,7
d.)1,3,3,7

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