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NDA · Maths · Sets & Relations
NDA Sets & Relations — Formulas 1
Question
1
of 14
1.
How many relations are there from
A
A
A
to
B
B
B
?
A
number of relations
=
2
∣
A
∣
+
∣
B
∣
\text{number of relations} = 2^{|A| + |B|}
number of relations
=
2
∣
A
∣
+
∣
B
∣
B
number of relations
=
∣
A
∣
⋅
∣
B
∣
\text{number of relations} = |A| \cdot |B|
number of relations
=
∣
A
∣
⋅
∣
B
∣
C
number of relations
=
2
∣
A
∣
∣
B
∣
\text{number of relations} = 2^{|A||B|}
number of relations
=
2
∣
A
∣∣
B
∣
D
number of relations
=
∣
A
∣
∣
B
∣
\text{number of relations} = |A|^{|B|}
number of relations
=
∣
A
∣
∣
B
∣
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