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Putnam
1966 Putnam
B6
Putnam 1966 B6
Putnam 1966 B6
Source:
April 6, 2022
college contests
Problem Statement
Show that all the solutions of the differential equation
y
′
′
+
e
x
y
=
0
y''+e^xy=0
y
′′
+
e
x
y
=
0
remain bounded as
x
→
∞
.
x\to \infty.
x
→
∞.
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