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All-Russian Olympiad Regional Round
2001 All-Russian Olympiad Regional Round
11.5
11.5
Part of
2001 All-Russian Olympiad Regional Round
Problems
(1)
x_{n+1} = n sin x_n+ 1 non periodic - All-Russian MO 2001 Regional (R4) 11.5
Source:
9/26/2024
Given a sequence
{
x
k
}
\{x_k\}
{
x
k
}
such that
x
1
=
1
x_1 = 1
x
1
=
1
,
x
n
+
1
=
n
sin
x
n
+
1
x_{n+1} = n \sin x_n+ 1
x
n
+
1
=
n
sin
x
n
+
1
. Prove that the sequence is non-periodic.
Sequence
periodic
trigonometry
recurrence relation
algebra