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Mathematics
Mathematics
Problem
By comparing regions of the Venn diagram, verify that
n
(
A
∪
B
)
=
n
(
A
)
+
n
(
B
)
−
n
(
A
∩
B
)
n(A \cup B) = n(A) + n(B) - n(A \cap B)
n
(
A
∪
B
)
=
n
(
A
)
+
n
(
B
)
−
n
(
A
∩
B
)
for all sets
A
A
A
and
B
B
B
in a universal set
U
U
U
.
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