# Difference between revisions of "TestPage"

This is a test page

I'm going to write some math

${\displaystyle E(|A\cap B|)=n*P(i\in A\cap B)=n*\left({\frac {\binom {N-1}{n-1}}{\binom {N}{n}}}\right)^{2}={\frac {n^{3}}{N^{2}}}}$

I hope that works

<HTML5video width="640" height="360" autoplay="false">Polar3</HTML5video>

The final solution is the portion of the graph that below ${\displaystyle y=\vert x\vert +1}$ and inside ${\displaystyle x^{2}+y^{2}=9}$