Question 5:
How many elements has P(A), if A = Φ?
Answer
We know that if A is a set with m elements i.e., n(A) = m, then n[P(A)] = 2m. If A = Φ, then n(A) = 0.
∴ n[P(A)] = 20 = 1
Hence, P(A) has one element.
Latest Govt Job & Exam Updates:
Exams Question Papers General Knowledge Election Directory
Question 5:
How many elements has P(A), if A = Φ?
Answer
We know that if A is a set with m elements i.e., n(A) = m, then n[P(A)] = 2m. If A = Φ, then n(A) = 0.
∴ n[P(A)] = 20 = 1
Hence, P(A) has one element.
Latest Govt Job & Exam Updates: