Q1 of 162 Page 1

Mark the correct alternative in the following:

For any set A, (A’) is equal to


Here, Question is


Now, A'=U∖A


⇒(A' )'=(U∖A)'=U'∖A'


⇒(A' )'=U'∖(U∖A)


⇒(A' )'=ϕ∖U+A


⇒(A' )'=A

More from this chapter

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10

If A and B are two sets such that n(A) = 20, n(B) = 25 and n= 40, then write n.

 11

If A and B are two sets such that n(A) = 115, n(B) = 326, n (A − B) = 47, then write .

 2

Mark the correct alternative in the following:

Let A and B be two sets in the same universal set. Then, A − B =


 3

Mark the correct alternative in the following:

The number of subsets of a set containing n elements is