latexTEST

Nå skal jeg teste ut om LATEX virker : )
$\int 2x dx$ = $x^{2}$

(1) $\begin{equation*} \left\{ P_{N-1}(x_k) = f_k\right\},\quad k=-\frac{N-1}{2},\dots,\frac{N-1}{2} \end{equation*}$