Question

if A={1,2,3,4},B={3,4,5,6},C={4,5,6,7,8} and universal sets X={1,2,3,4,5,6,7,8,9,10},than verify then B =(A union B) union(A' union B)
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Answer 1

Answer:

rhyjtkrjrhthenvu kryrvwtdt53 . 27yd b cych vy dh x