Question License

Question ID 2572 (Universal ID 1362398064061582)

This question was written by Schraag,Andreas, mb Schenkenberger ,Benjamin, mb dahn,Ingo, derived from work by Harbaugh,Gregg. 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.