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Mathematics Qualifying Exam Question Bank

Department of Mathematics

Question

Math 6210 • Real Analysis

Spring 2024 • Question 3

Question

Math 6210 • Real Analysis Spring 2024 • Question 3

Show that the set of real numbers that have infinitely many 2s in their base 10 expansion is a Borel set.

Raw LaTeX

Show that the set of real numbers that have infinitely many 2s in their
base 10 expansion is a Borel set.

Topic Tags

Borel Sets and Sigma-Algebras