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diff --git a/frontend/2d/_collisions/pill_pill.html b/frontend/2d/_collisions/pill_pill.html index 116d79a..812c10a 100644 --- a/frontend/2d/_collisions/pill_pill.html +++ b/frontend/2d/_collisions/pill_pill.html @@ -82,6 +82,7 @@ <h2>References</h2> <ul> <li><a href="https://www.analyzemath.com/EllipseProblems/ellipse_intersection.html">Intersection Basics</a></li> + <li><a href="https://brilliant.org/wiki/factor-polynomials-ax4-bx2-c/">Reminder of factoring compound quadratics</a></li> </ul> </footer> </article> |