Jupyter markdown: Curly brace symbole doesn't show correctly

Question

I am trying to write a mathematical equation in jupyter notebook markdown, this equation have a Curly brace '{' symbole. I wrote this code :

$$M=\begin{equation}
\left\{ 
  \begin{aligned}
    2\,x&+3\,y&-4\,z&=&7\\
    -x&+8\,y&   &=&3\\
    \frac{2}{3}\,x&+\frac{13}{2}\,y&-5\,z&=&\frac{14}{5}\\
  \end{aligned}
  \right.
\end{equation}
$$

when running the cell I get this:

instead of the correct one:

So I don't know what the problem is, any idea? PS: I have python3

Answer 1

the probleme was that mathJax wasn't rendering correctly,and so were all mathematical expressions.so to fix it, click on right button >> Math settings>>Math renderer>>SVG .