Advertisements
Advertisements
Question
Choose the correct alternative:
If n(A) = 2 and n(B ∪ C) = 3, then n[(A × B) ∪ (A × C)] is
Options
23
32
6
5
MCQ
Solution
6
shaalaa.com
Cartesian Product
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Write the following in roaster form.
{x ∈ N : x2 < 121 and x is a prime}
Write the following in roster form.
The set of all positive roots of the equation (x − 1)(x + 1)(x2 − 1) = 0
Write the following in roster form
{x ∈ N : 4x + 9 < 52}
Write the following in roster form.
{x : `(x − 4)/(x + 2)` = 3, x ∈ R – {– 2}}
If n(P(A)) = 1024, n(A ∪ B) = 15 and n(P(B)) = 32, then find n(A ∩ B)
If n (A ∩ B) = 3 and n(A ∪ B) = 10, then find n(P(A ∆ B))
Choose the correct alternative:
If A = {(x, y) : y = e x , x ∈ R} and B = {(x, y) : y = e−x, x ∈ R} then n(A ∩ B) is
Choose the correct alternative:
If n((A × B) ∩ (A × C)) = 8 and n(B ∩ C) = 2, then n(A) is