Mathematics
If T = {x : x is a letter in the word 'TEETH'}, find all its subsets.
Sets
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Answer
Set T contains all the letters of 'TEETH'.
T = {t, e, h}
If a set has n elements, the number of subsets = 2n.
Here the set has 3 elements, the number of subsets = 23 = 2 x 2 x 2 = 8.
Subsets of T are ϕ, {t}, {e}, {h}, {t, e}, {e, h}, {h, t}, {t, e, h}.
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