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Deepak Patra posted an Question
December 22, 2021 • 00:06 am
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30 points
30 points
- IIT JAM
- Mathematics (MA)
39. consider the equation x2021 +x2020 +... +x - 1 0. then (a) exactly one real root is positive (c) all real roots are positive (b) no real roots is positive (
39. Consider the equation x2021 +x2020 +... +X - 1 0. Then (a) exactly one real root is positive (c) all real roots are positive (b) no real roots is positive (d) exactly one real root is negative
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Anonymous User![best-answer]()
Option A ..... Descartes’s rule of signs, in algebra, rule for determining the maximum number of positive real number solutions (roots) of a polynomial equation in one variable based on the number of times that the signs of its real number coefficients change when the terms are arranged in the canonical order (from highest power to lowest power).