e. Is 0 € {{0}, {1}}? E

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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#4. Question E and explanation
1. Which of the following sets are equal?
A = {a, b, c, d}
C = {d, b, a, c}
B = {d, e, a, c}
D = {a, a, d, e, c, e
bru
2. Write in words how to read each of the following out
a. {x E R+ 10 < x < 1}
b. {x ER|x ≤ 0 or x ≥ 1}
c. {n e Zn is a factor of 6}
d. {n e Zt In is a factor of 6}
3. a. Is 4 = {4}?
b. How many elements are in the set {3, 4, 3, 5}?
c. How many elements are in the set {1, {1}, {1, {1
4. a. Is 2 = {2}?
b. How many elements are in the set {2, 2, 2, 2}?
c. How many elements are in the set {0, {0}}?
d. Is {0} = {{0}, {1}}?
e. Is 0 € {{0}, {1}}?
H 5. Which of the following sets are equal?
is
bonobo Ile A = {0, 1, 2}A
B = {x ER | -1 < x <3}s
C = {x ER| -1 < x <3}
D = {x € Z | -1 < x <3}
E = {x € Z+1-1<x<3}
-
Transcribed Image Text:1. Which of the following sets are equal? A = {a, b, c, d} C = {d, b, a, c} B = {d, e, a, c} D = {a, a, d, e, c, e bru 2. Write in words how to read each of the following out a. {x E R+ 10 < x < 1} b. {x ER|x ≤ 0 or x ≥ 1} c. {n e Zn is a factor of 6} d. {n e Zt In is a factor of 6} 3. a. Is 4 = {4}? b. How many elements are in the set {3, 4, 3, 5}? c. How many elements are in the set {1, {1}, {1, {1 4. a. Is 2 = {2}? b. How many elements are in the set {2, 2, 2, 2}? c. How many elements are in the set {0, {0}}? d. Is {0} = {{0}, {1}}? e. Is 0 € {{0}, {1}}? H 5. Which of the following sets are equal? is bonobo Ile A = {0, 1, 2}A B = {x ER | -1 < x <3}s C = {x ER| -1 < x <3} D = {x € Z | -1 < x <3} E = {x € Z+1-1<x<3} -
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