5. Find U₁₁ A; and ₁ A; if for every positive integer i, a) A¡ = {i, i + 1, i + 2, . . .}. b) A = {0, i}. c) A₁ = (0, i), that is, the set of real numbers x with 0 < x i.
5. Find U₁₁ A; and ₁ A; if for every positive integer i, a) A¡ = {i, i + 1, i + 2, . . .}. b) A = {0, i}. c) A₁ = (0, i), that is, the set of real numbers x with 0 < x i.
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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Problem D
Transcribed Image Text:5. Find U₁₁ A; and
₁ A; if for every positive integer i,
a) A¡ = {i, i + 1, i + 2, . . .}.
b) A = {0, i}.
c) A₁ = (0, i), that is, the set of real numbers x with
0 < x <i.
d) A¡ = (i, ∞), that is, the set of real numbers x with
x > i.
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