3. Let What is (CA) U B? (a) {x € Z] x % 4 = 2} \ {10} (b) {x€N | x % 4 = 2} \ {10} (c) {x€N | x%4=2} (d) {x € Z] x % 4 = 2} A = {x€N | x ≤ 11 and x % 4 = 2} B = {x €Z|x <10 and x % 4 = 2} C = {x € Z | x ≥ 9 and x % 4 = 2}

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Question
3. Let
O d
O b
C
a
What is (CA) U B?
(a) {x € Z] x % 4 = 2} \ {10}
(b) {x€N | x % 4 = 2} \ {10}
(c) {x€N | x % 4 = 2}
(d) {x €Z] x % 4 = 2}
A = {x€N | x ≤ 11 and x % 4 = 2}
= {x € Z | x < 10 and x % 4 = 2}
C = {x € Z | x ≥ 9 and x % 4 = 2}
Transcribed Image Text:3. Let O d O b C a What is (CA) U B? (a) {x € Z] x % 4 = 2} \ {10} (b) {x€N | x % 4 = 2} \ {10} (c) {x€N | x % 4 = 2} (d) {x €Z] x % 4 = 2} A = {x€N | x ≤ 11 and x % 4 = 2} = {x € Z | x < 10 and x % 4 = 2} C = {x € Z | x ≥ 9 and x % 4 = 2}
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