Question

(ערט1ב
5) n (u) = n(A) + n (AC)
CHALLENGERS
iv) AN(BUC)
1. If A = {1, 2, 3, 4}, B = {3, 4, 5, 6} and C = {1, 2, 4, 6, 7}, then find
i) AUB
ii) BUC
iii) (AUB)UC
V) AU(BUC) vi) A-(BUC) vii) (A - B)U(A-C)
2. If u = {2, 3, 4, 5), A = {2,4} and B = {3,4}, then verify the following laws.
i) A-B = An B ii) (ANB)' = A' UB' iii) (AUB)' = A' NB!
If n(A) = 10, n(B) = 12 and n(An B) = 6, then find n(AUB).
4. If A {2,3,4,5), B= {1, 2, 3} and C = {5,6), then verify
n(AU BUC)+n(An B)+n(BNC)+n(CNA) = n(A) + n(B) + n(C)+ n(AnBNC)
3.
CLASSROOM PACKAGES
PEARL PACKAGE
1.
a) n?
The total number of elements in the power set of a set A containing ‘n'elements is
b) 21
c) 2n-1
-D) + n(B - A) NA​

Answer 1

Answer:

1) i)-- AUB={1,2,3,4,5,6}

ii)- BUC ={1,2,3,4,5,6,7}

iii)- (AUB)UC={1,2,3,4,5,6,7}