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![Quadratic Equation -- from Wolfram MathWorld](https://www.iarticlesnet.com/pub/img/site/s_35.jpeg)
Quadratic Equation -- from Wolfram MathWorld
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日期:2024-07-19
A quadratic equation is a second-order polynomial equation in a single variable x ax^2+bx+c=0, (1) with a!=0. Because it is a second-order polynomial equation, the fundamental theorem of algebra guarantees that it has two solutions. These solutions may be...看更多