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f(x) = 0 is a polynomial whose coefficients are all +-1 (plus minus 1) and whose roots are all real then the degree of f(x) can be
a) 1. b)2. c)3. d)4. (Please provide a detailed solution , as we can directly linear and quadratic is possible but how can we prove that 3rd degree or 4th degree polynomial will/will not have all roots real?)
Asked by kunalgaurav39 | 23 Apr, 2019, 10:17: PM
Expert Answer
Answered by Renu Varma | 25 Apr, 2019, 12:45: PM
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