let A = all prime number less than 20 B = all natural Numbers less than 10 find A union B, A intersection B, A - B, B - A , A - (A union B)
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Answer: (AUB) = {1 , 2 ,3,4,5,6,7,8,9,11,13,17,19}
A intersection B = { 2, 3,5,7}
A-B = {11,13,17,19}
B-A = {1 ,4,6,8,9}
A-(AUB) = {} or empty set.
Step-by-step explanation:
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