Question

plse solve this

Answer 1

how many elements are there in A ?

Answer 2

two

Answer 3

so there will be 2^2 = 4 elements in its power set,
lets find the elements first

Answer 4

Subsets of A :-

{}

{Φ}

{ {Φ} }

{ Φ, {Φ} }

Answer 5

Power set a set , whose elements are the subsets of A :-

Powerset of A = { {}, {Φ}, {{Φ}}, { Φ, {Φ} } }

Answer 6

what does it mean {}

Answer 7

good question,
it just refers to a set or subset

Answer 8

you can think of it as a wrapper/container

Answer 9

when u dive in bit more into sets these will start to make sense

Answer 10

{}

btw, it means a set with no elements
its a NULL set