The number of subsets {x,y,z} of s so that x,y,z are in A.P?
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Step-by-step explanation:
no. of subsets = where n is number of elements in set.
so here, the subsets are, {x, {y}, {z}, {x,y}, {y,z}, {x,z}, {x,y,z}
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Answer:
2n
Step-by-step explanation:
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