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Serbia Contests
Serbia JBMO TST
2015 Junior Balkan Team Selection Test
3
Serbia Junior Balkan TST 2015
Serbia Junior Balkan TST 2015
Source:
May 25, 2015
inequalities
Problem Statement
Prove inequallity :
1
+
1
2
3
+
.
.
.
+
1
201
5
3
<
5
4
1+\frac{1}{2^3}+...+\frac{1}{2015^3}<\frac{5}{4}
1
+
2
3
1
+
...
+
201
5
3
1
<
4
5
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