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Normal
A={1,3,4,5,9}B={2,4,6,7,8}C={1,3,4,6}A U C= {1,3,4,5,9} U {1,3,4,6} ={1,3,4,5,6,9}A intersection B is correct
A={1,3,4,5,9}
B={2,4,6,7,8}
C={1,3,4,6}
A U C= {1,3,4,5,9} U {1,3,4,6} ={1,3,4,5,6,9}
A intersection B is correct
