Question License

Question ID 6234 (Universal ID 1480014557299772)

This question was written by dahn,Ingo, derived from work by Lippman,David, mb dahn,Ingo. This work is licensed under the IMathAS Community License (GPL + CC-BY).
The code that generated this question can be obtained by instructors by emailing dahn@vcrp.de.
Includes content created with Geogebra (geogebra.org).