3. Let A = {1, 2, 3, 4). List all the subsets B of A such that d. [BB] {1,2} ≤ B; e. BC {1, 2}; f. {1, 2} ¢ B; g. B{1, 2}; h. {1, 2} B; i. B‡ {1, 2}.
3. Let A = {1, 2, 3, 4). List all the subsets B of A such that d. [BB] {1,2} ≤ B; e. BC {1, 2}; f. {1, 2} ¢ B; g. B{1, 2}; h. {1, 2} B; i. B‡ {1, 2}.
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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I need help please the I am not sure how to list the sub sets or what the different symbols mean
![3. Let A = {1, 2, 3, 4}. List all the subsets B of A such that
d. [BB] {1, 2} CB;
e. BC {1, 2};
f. {1, 2} B;
g. B {1, 2};
h. {1, 2} B;
i. B‡ {1,2}.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F46c0fb16-724b-4726-818c-9156075ac6cc%2F8a2b59af-d9df-4f75-8728-d5d2cbd71f86%2F7rg4ek_processed.png&w=3840&q=75)
Transcribed Image Text:3. Let A = {1, 2, 3, 4}. List all the subsets B of A such that
d. [BB] {1, 2} CB;
e. BC {1, 2};
f. {1, 2} B;
g. B {1, 2};
h. {1, 2} B;
i. B‡ {1,2}.
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