3. Prove or disprove. (a) If S₁ and S₂ are compact subsets of R, then S₁ U S₂ is compact. (b) If for each i N, S, is a compact subset of R, then US, is
3. Prove or disprove. (a) If S₁ and S₂ are compact subsets of R, then S₁ U S₂ is compact. (b) If for each i N, S, is a compact subset of R, then US, is
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Transcribed Image Text:Please do part (a) only thanks
3. Prove or disprove.
(a) If S₁ and S₂ are compact subsets of R, then S₁ U S₂ is compact.
(b) If for each i N, S, is a compact subset of R, then US, is
compact.
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