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I saw this beautiful question from the 2020 Oxford Math Admissions Test, which was for both math and computer science applicants. The question has multiple parts but the first part gives away a very big hint, so I decided to modify this question a bit and present it to you guys. I am sure this could easily be a math competition-level problem and I had tons of fun solving it! See the original Oxford math and computer science admissions test problem on page 8 here:
https://www.maths.ox.ac.uk/system/files/attachments/test20_0.pdf
0:00 I modified an Oxford math admission problem
24:07 Check out Brilliant
#math #blackpenredpen #oxford #numbertheory
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