Maths — Quadratic Equations
The quadratic formula, discriminant and root relations.
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ax^2 + bx + c = 0
x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}
\Delta = b^2 - 4ac
x_1 + x_2 = -\frac{b}{a}, \quad x_1 x_2 = \frac{c}{a}
The quadratic formula, discriminant and root relations.
ax^2 + bx + c = 0
x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}
\Delta = b^2 - 4ac
x_1 + x_2 = -\frac{b}{a}, \quad x_1 x_2 = \frac{c}{a}