Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °
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You are not logged in. #1 2013-02-16 15:13:02
mathThe roots of the quadratic equation x^2 + ax + b are 2 + 3i and 2 - 3i. What is a + b? I see you have graph paper. You must be plotting something #3 2013-02-16 16:39:52
Re: mathThanks I see you have graph paper. You must be plotting something |