Question

Asked Nov 24, 2019

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#5 using Descartes's rule of signs

Step 1

Given equation is,

Step 2

**Descartes Rule:** The number of positive real zeroes in a polynomial function *f* (*x*) is the same or less than by an even number as the number of changes in the sign of the coefficients.

Step 3

Given function is in descending powers of the variable. Now, the number of changes in sign for the coefficients of ...

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