If A= {1,3,7,5} B= {3,7,11} And C= {3,11,19}, Find A N (B U C)

If A= {1,3,7,5} B= {3,7,11} and C= {3,11,19}, find A n (B U C)

 

Answer:

B U C= {3,7,11,19}

all the numbers that are alike should be listed but not twice.


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