3) On real axis if A = [-1,1) and B = [0,4] then find
(a) A'
(b) B'
(c) AVB
(d) A - B.

a) universal set-[-1,1]
b) universal set-[0,4]
c) it means set of all elements which are either in a or b i.e [-1,4]
d)that means terms which are in a but not in b i.e  [-1,0)

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