Question

Can someone explain to me what i have to do in exercise 2?

А.
2 In the Venn diagram below, (a) means that there are a elements in that region.
a Write an expression for:
B
i n(A)
ii n(B)
iii n(An B)
iv n(AUB)
(a)
b Show that:
i n(AUB) = n(A) + n(B) – n(An B)
(d)
ii n(An B) = n(A) + n(B) – n(AUB)
U
iii if A and B are disjoint, then
n(AUB) = n(A) + n(B).
(6)
(c)

Answer 1

Step-by-step explanation:

Can someone explain to me what i have to do in exercise 2?

А.

2 In the Venn diagram below, (a) means that there are a elements in that region.

a Write an expression for:

B

i n(A)

ii n(B)

iii n(An B)

iv n(AUB)

(a)

b Show that:

i n(AUB) = n(A) + n(B) – n(An B)

(d)

ii n(An B) = n(A) + n(B) – n(AUB)

U

iii if A and B are disjoint, then

n(AUB) = n(A) + n(B).

(6)

(c)

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