Question

write the power set of the set {-1,0,1}

Answer 1

{ {}, {-1}, {0}, {1}, {-1, 0}, {-1, 1}, {0, 1}, {-1, 0, 1} }
is the powerset .

Answer 2

let 'T' be the power set;
therefore;
T={{},{0,1},{0,-1},{1,-1},{1},{0},{-1},{0,1,-1}}
hope i helped u:)