Question License

Question ID 7519 (Universal ID 1562410052783235)

This question was written by Dahn,Ingo, derived from work by Schraag,Andreas; WebWork-Rochester, mb Lippman,David, mb Schraag,Andreas. 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.