Question

.if A = {1,2,3,4} B = {2,4,6,8,} find
will
n(AUB) = n(A) + n (B) - n(An B)​

Answer 1

Step-by-step explanation:

AUB = { 1,2,3,4,6,8}

A n B = {2,4}

n(AUB) = 6

n(AnB) = 2

n(A) = 4

n(B)= 4

rhs: n(A)+n(B)-n(AnB) = 4+4-2=6

lhs : n(AUB) =6

so they are equal