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Question
If A = {11, 21, 31, 41}, B = {12, 22, 31, 32}, then find:
(1) A ∪ B
(2) A ∩ B
Sum
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Solution 1
If A = {11, 21, 31, 41},
B = {12, 22, 31, 32}
(1) A ∪ B = {11, 12, 21, 31, 32, 41}
(2) A ∩ B = {31}
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Solution 2
If A = {11, 21, 31, 41},
B = {12, 22, 31, 32}
(1) A ∪ B = {11, 12, 21, 22, 31, 32, 41}
(2) A ∩ B = {31}
shaalaa.com
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