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Social Science#5 using Descartes's rule of signs
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Given equation is,
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x2x3 x-1= 0
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.
Given function is in descending powers of the variable. Now, the number of changes in sign for the coefficients of ...
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1 2-1 +1
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