Need math help with subsets of S #10

Mathematics
Tutor: None Selected Time limit: 1 Day

Nov 22nd, 2015

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S = {4, 5, 6}

Subsets of S that contain 5 or 6 = {5}, {6}, {4, 5}, {4, 6}, {5, 6}, {4, 5, 6}

Hence, number of subsets that contain either 5 or 6 = 6

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Nov 22nd, 2015

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