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This question uses <pl-file-upload> to let students upload a PDF file. It is configured for manual grading.

File upload: PDF submission

Upload a PDF file containing your solution to the following problem:

Prove that the square root of 2 is irrational.

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Title:
File upload: PDF submission

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Started at:
2026-08-04 22:49:02 (CDT)
Duration:
0s
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dec frac
rad deg