

InterviewSolution
Saved Bookmarks
1. |
How many elements has P(A), if `A =varphi`? |
Answer» `:. A = phi rArr n(A) = 0` `n{P(A)} = 2^(n(A)) = 2^(0) = 1` `2{P(A)} = 2^(n(A)) = 2^(0) = 1` So, number of element in `P(A)` is 1. |
|