MathDB
Problems
Contests
National and Regional Contests
Croatia Contests
Croatia National Olympiad
2005 Croatia National Olympiad
3
sum of three Egypt fractions less than 1
sum of three Egypt fractions less than 1
Source: Croatian NMC 2005, 1st Grade
May 8, 2007
inequalities
Problem Statement
If
k
,
l
,
m
k, l, m
k
,
l
,
m
are positive integers with
1
k
+
1
l
+
1
m
<
1
\frac{1}{k}+\frac{1}{l}+\frac{1}{m}<1
k
1
+
l
1
+
m
1
<
1
, find the maximum possible value of
1
k
+
1
l
+
1
m
\frac{1}{k}+\frac{1}{l}+\frac{1}{m}
k
1
+
l
1
+
m
1
.
Back to Problems
View on AoPS