Daniel Trebbien

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231 reputation

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3 Questions

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13	Why does the discriminant of a cubic polynomial being less than 0 indicate complex roots?
3	What is a convenient way to convert a string of balanced parentheses to a corresponding “multiplication ordering” or rooted binary tree?
1	What is the difference in radii of two concentric circles given an angle and length of a triangle that is inscribed in the annulus?

231 Reputation

+20	Why does the discriminant of a cubic polynomial being less than 0 indicate complex roots?
+15	Why does the discriminant of a cubic polynomial being less than 0 indicate complex roots?
+2	Applications of systems of linear equations
+5	What is a convenient way to convert a string of balanced parentheses to a corresponding “multiplication ordering” or rooted binary tree?

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2 Answers

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4	Why does the discriminant of a cubic polynomial being less than 0 indicate complex roots?
0	Applications of systems of linear equations

9 Tags

4 algebra-precalculus × 2	0 combinatorics
4 polynomials × 2	0 geometric-construction
4 roots × 2	0 geometry
4 symmetric-polynomials × 2	0 linear-algebra
0 catalan-numbers

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47 Votes Cast

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