Ejemplos de Mathjax

When \(a \ne 0\), there are two solutions to \(ax^2 + bx + c = 0\) and they are $$x = {-b \pm \sqrt{b^2-4ac} \over 2a}.$$

When `a != 0`, there are two solutions to `ax^2 + bx + c = 0` and they are

`x = (-b +- sqrt(b^2-4ac))/(2a) .`

$\sqrt{a^2-3c}$

$$ {\sum_{i=1}^N i} = \frac{N(N+1)}{2} $$

\begin{align} (x_{0}, y_{0}), ..., (x_{k}, y_{k}) \end{align} \begin{align} L(x) = \sum_{j=0}^{k} y_{j}l_{j}(x) \end{align} \begin{align} l_{j}(x) = \prod_{i = 0, i\neq j}^{k} \frac{x - x_{i}}{x_{j} - x_{i}} = \frac{x - x_{0}}{x_{j} - x_{0}}... \frac{x - x_{j-1}}{x_{j} - x_{j-1}} \frac{x - x_{j+1}}{x_{j} - x_{j+1}} ... \frac{x - x_{k}}{x_{j} - x_{k}} \end{align}