Explanation:
2. { }, {x}, {y}, {x,y}
3. { }, {1}, {2},{8},{1,2},{1,8},{2,8},{1,2,8}
4. { }, {a}, {b}, {c}, {d}, {a,b}, {a,c}, {a,d}, {b,c}, {b,d}, {c,d}, {a,b,c}, {a,c,d}, {a,b,d}, {b,c,d}, {a,b,c,d}
5. { }, {a}
Answer:
B = { x, y } = { } , { x }, { y }, { x, y }
C = { 1, 2, 8 } = { } , { 1 }, { 2 }, { 8 }, { 1, 2 }, { 1, 8}, { 2, 8}, { 1, 2, 8}
. E = { a } ={ } , { a }
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