Question

5) How
How many
elemente has P(A), if A=0?​

Answer 1

Answer:

If A=Ф that menas A does not contain any element i.e., n=0. Now, number of elements in a power set is 2ⁿ. Therefore P(A) contains 1 element.

Step-by-step explanation:

Answer 2

Answer:

number of subsets of a set having n elements is 2ⁿ.

here ,

n = 0

so, number of subsets = 2⁰ = 1