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3. If A and B are two sets such that A C.B, then what is AUB? 4. Find the union, intersection and the difference (A - B) of the follow pairs of sets. (a) A = The set of all letters of the word FEAST B = The set of all letters of the word TASTE (b) A = (x:xEW, 0 < x≤ 7} B = (x:xEW, 4 < x < 9} (c) A = x | xEN, x is a factor of 12} B=x|xEN, x is a multiple of 2, x < 12} (d) A = {x :x€ I, -2 < x < 2} B=x:xel, -1 < x < 4} (e) A = (a, 1, m, n, p) B = (q, r, 1, a, s, n}

3. If A and B are two sets such that A C.B, then what is AUB? 4. Find the union, intersection and the difference (A - B) of the follow pairs of sets. (a) A = The set of all letters of the word FEAST B = The set of all letters of the word TASTE (b) A = (x:xEW, 0 < x≤ 7} B = (x:xEW, 4 < x < 9} (c) A = x | xEN, x is a factor of 12} B=x|xEN, x is a multiple of 2, x < 12} (d) A = {x :x€ I, -2 < x < 2} B=x:xel, -1 < x < 4} (e) A = (a, 1, m, n, p) B = (q, r, 1, a, s, n}

Advanced Engineering Mathematics
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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3. If A and B are two sets such that A e B, then what is AUB? 4. Find the union, intersection and the difference (A - B) of the follow pairs of sets. (a) A = The set of all letters of the word FEAST B = The set of all letters of the word TASTE (b) A = (x:xEW, 0 < x≤ 7} B = (x:xEW, 4 < x < 9} (c) A = (x | xEN, x is a factor of 12} B=x|xEN, x is a multiple of 2, x < 12} (d) A = {x :x€ I, -2 < x < 2} B=x:xel, -1 < x < 4} (e) A = (a, 1, m, n, p) B = (q, r, 1, a, s, n}
Transcribed Image Text:3. If A and B are two sets such that A e B, then what is AUB? 4. Find the union, intersection and the difference (A - B) of the follow pairs of sets. (a) A = The set of all letters of the word FEAST B = The set of all letters of the word TASTE (b) A = (x:xEW, 0 < x≤ 7} B = (x:xEW, 4 < x < 9} (c) A = (x | xEN, x is a factor of 12} B=x|xEN, x is a multiple of 2, x < 12} (d) A = {x :x€ I, -2 < x < 2} B=x:xel, -1 < x < 4} (e) A = (a, 1, m, n, p) B = (q, r, 1, a, s, n}
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