Problem Set 2018 №12

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Due in Avery 203 no later than 4:30 p.m. on Friday, November 16, 2018.

Previous Challenge

View the previous problem and solution

Congratulations to Tuong Phung for the complete solution!


The UNL Math Challenge is open to all undergraduate students, regardless of their major.

Written solutions must be received by the Math Department office in Avery Hall 203 by the indicated deadline. Include your name and e-mail address with your solution.


The person who submits the best solution, judged on correctness, completeness, and clarity, will win a gift card to the Dunkin Donuts in Adele Hall Learning Commons (Love Library).

If you have questions, contact Professor Kyungyong Lee