Let A C R be measurable with m(A) > 0. Prove that there exists r > 0 such that A - AC (-r,r), where A - A := = {a₁ - a₂: a₁, a₂ € A}

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter2: Equations And Inequalities
Section2.4: Complex Numbers
Problem 61E
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Let A CR be measurable with m(A) > 0. Prove that there exists r > 0 such that A – A C (−r,r),
where A - A := {a₁ — A₂: A₁, A₂ € A}
Transcribed Image Text:Let A CR be measurable with m(A) > 0. Prove that there exists r > 0 such that A – A C (−r,r), where A - A := {a₁ — A₂: A₁, A₂ € A}
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