Question

Write the elements of the following power sets [3marks]
i) P(∅)
ii) P({∅})
iii) If A = {1,2,3,4,}, find P(A)

Answer 1

Answer:

i) Has no element ( empty set/null)

ii) 1 element : {∅}

iii) P(A) = {1}, {2}, {3}, {4}, {1,2}, {1,3}, {1,4}, {2,3}, {2,4}, {3,4}, {1,2,3}, {1,2,4}, {1,3,4}, {2,3,4}, {1,2,3,4}