Let T₁ = {Ø, R} U {(a, +∞) | a ≤ R}. U U ≤ 7₁.¹ UEU (a) Let UCT₁. Show that (b) Give an example of an arbitrary intersection of elements of T₁ that is not in T₁.
Let T₁ = {Ø, R} U {(a, +∞) | a ≤ R}. U U ≤ 7₁.¹ UEU (a) Let UCT₁. Show that (b) Give an example of an arbitrary intersection of elements of T₁ that is not in T₁.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Letter A & B
Transcribed Image Text:Let
T₁ = {Ø, R} U {(a, +∞) | a ≤ R}.
U U E TË,
UEU
(a) Let U CT1₁. Show that
(b) Give an example of an arbitrary intersection of elements of ₁ that is not in
91.
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