Advertisements
Advertisements
प्रश्न
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: A ∩ B and n(A ∩ B)
Advertisements
उत्तर
Find A ∩ B
The intersection of two sets A and B is the set of elements that are common to both. Comparing the elements of A and B:
Common element: 7
Thus: A ∩ B = {7}
Find n(A ∩ B)
n(A ∩ B) = 1.
A ∩ B = {7}
n(A ∩ B) = 1
APPEARS IN
संबंधित प्रश्न
Which set can be the universal set?
P is the set of all residents in Pune.
M is the set of all residents in Madhya Pradesh.
I is the set of all residents in Indore.
B is the set of all residents in India.
H is the set of all residents in Maharashtra.
Which set of numbers could be the universal set for the set given below?
A = set of multiples of 5.
B = set of multiples of 7.
C = set of multiples of 12.
Given the universal set = {x : x ∈ N and x < 20}, find:
B = {y : y = 2n + 3, n ∈ N}
Given universal set = {x ∈ Z : -6 < x ≤6}.
N = {n : n is non-negative number}
Find: N'
Given A = {x : x ∈ N and 3 < x ~ 6} and 8 = {x : x ∈ W and x < 4}. Find: A ∪ B
For the universal set {4, 5, 6, 7, 8, 9, 10, 11,12,13} ; find the subset of C = {prime numbers}.
Also, find a complement of C.
If A = {4, 5, 6, 7, 8} and B = {6, 8, 10, 12}, find: A∪B
If A = {4, 5, 6, 7, 8} and B = {6, 8, 10, 12}, find: A∩B
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n(A)
If A = {3, 5, 7, 9, 11} and B = {4, 7, 10}, find: n (B)
