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Question: Slick technique to select positive root of polynomial solution

Question:Slick technique to select positive root of polynomial solution

Scot Gould 912
polynomial assuming roots select
January 18 2017
0

I want to solve for the roots of a polynomial, such as a x^2+b x + c = 0, for which the output is only the positive root. All coefficients/variables in the polynomial are positive. 

Recently, someone posted an answer to a question where at some point they performed this task and their solution was really slick. But I can't find it. The answer used either solve, or eval or something like that. (Yes, I did perform a search via the MaplePrimes search before asking this question.) 

 
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