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Question ID 7517 (Universal ID 1562406245990801)

This question was written by Dahn,Ingo, derived from work by Arps,Falko. 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.

Question ID 7518 (Universal ID 1562407255799381)

This question was written by Dahn,Ingo, derived from work by Arps,Falko. 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.