Q44 of 58 Page 12

Fill in the blanks

The set {x ∈ R: 1 ≤ x < 2} can be written as ______________.

{1, 2}

Given: {x ∈ R: 1 ≤ x < 2}


To find: roster form of given set


Let A = {x ∈ R: 1 ≤ x < 2}


⇒ A = {1, 2}


More from this chapter

All 58 →
42

Let S = {x | x is a positive multiple of 3 less than 100}

P = {x | x is a prime number less than 20}. Then n(S) + n(P) is

 43

If X and Y are two sets and X′ denotes the complement of X, then X ∩ (X ∪ Y)′ is equal to

 45

Fill in the blanks

When A = ϕ, then number of elements in P(A) is _________.

 46

Fill in the blanks

If A and B are finite sets such that A ⊂ B, then n (A ∪ B) = ______________.