Find the Power Set A={-1,20,3,17,5}

$A = {- 1, 20, 3, 17, 5}$

Step 1

The power set of a set $S$ is the set of all subsets of $S$ . The first subset will be set $S$ itself. Next, find all subsets that contain one less element (in this case $4$ elements). Continue with this process until finding all subsets including the empty set.

Power Set = ${{- 1, 3, 5, 17, 20}, {20, 3, 17, 5}, {- 1, 20, 17, 5}, {- 1, 20, 3, 17}, {- 1, 20, 3, 5}, {- 1, 3, 17, 5}, {20, 17, 5}, {20, 3, 17}, {20, 3, 5}, {3, 17, 5}, {- 1, 17, 5}, {- 1, 20, 17}, {- 1, 20, 3}, {- 1, 20, 5}, {- 1, 3, 17}, {- 1, 3, 5}, {17, 5}, {20, 17}, {20, 3}, {20, 5}, {3, 17}, {3, 5}, {- 1, 17}, {- 1, 20}, {- 1, 3}, {- 1, 5}, {17}, {20}, {3}, {5}, {- 1}, {}}$

Find the Power Set A={-1,20,3,17,5}

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