Verify n(AU BUC) = n(A) + n(B) + n(C) – n(An B) – n(BNC) - n(ANC)
+n(An BNC) for the following sets.
(i) A = {a,c, e, f, h}, B = {c,d,e,f} and C = {a,b, c, f}
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do hard it is sorry i can't answer it
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