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diff --git a/frontend/2d/_collisions/pill_pill.html.content b/frontend/2d/_collisions/pill_pill.html.content index 017b7cb..bd214b2 100644 --- a/frontend/2d/_collisions/pill_pill.html.content +++ b/frontend/2d/_collisions/pill_pill.html.content @@ -33,6 +33,7 @@ <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> |