Counting Functions With Condition (Jee Mains) | ExamDuo
Ask Doubts
Log in
Functions
Medium
Counting Functions With Condition
The number of functions
f
:
{
1
,
2
,
3
,
4
}
→
{
a
∈
ℤ
:
|
a
|
≤
8
}
satisfying
f
(
n
)
+
1
n
f
(
n
+
1
)
=
1
,
∀
n
∈
{
1
,
2
,
3
}
is
Ask about this question
SELECT ONE OPTION
A
3
B
4
C
1
D
2
Check