56. Find U₁A, and 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
56. Find U₁A, and 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
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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Transcribed Image Text:56. Find U₁A, and A; if for every positive integer i,
a) A₁ = {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, co), that is, the set of real numbers x with
=
x > i.
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