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U= 1,2,3,4,5,6,7,8, A=1,2,3, B=2,4,6,8, C=3,4,5,6 হলে A'∩C'=
{1, 2, 3, 4, 5, 6, 7, 8}
{3}
{5, 6, 7}
কোনটিই নয়
ANS : 1
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