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Question: Pick the "positive" solution of a quadratic

Question:Pick the "positive" solution of a quadratic

Pinetree 15 Maple 2016
quadratic nonnegative
June 01 2018
0

Quadratic equation ax^2 + bx + c = 0. Coeff's long and ugly expressions in their own right, but I know that a is nonzero, that there is at least one real solution, and that I want the largest.

So, question: How do I get Maple to return the -b/2a PLUS sqrt((b/2a)^2-c/a) solution?
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