Transaction Management in Database Management System
Mathematics Olympiad 4
1. Solusi
Solusi OSN Matematika 2014 Part 4
f (x) =
2
2 + 4x
maka:
f
a
2014
=
2
2 + 4
a
2014
f
2014 a
2014
=
2
2 + 4
2014a
2014
f
a
2014
+ f
2014 a
2014
=
2
2 + 4
a
2014
+
2
2 + 4
2014a
2014
Edy Wihardjo Soal Solusi Olimpiade Matematika 6 Mei 2014 1 / 1
2. Solusi
f
a
2014
+ f
2014 a
2014
=
2
2 + 4
a
2014
+
2
2 + 4
2014a
2014
=
2
2 + 4
2014a
2014
+ 2
2 + 4
a
2014
2 + 4
a
2014
2 + 4
2014a
2014
=
4 + 2
4
2014a
2014
+ 4 + 2
4
a
2014
4 + 2
4
2014a
2014
+ 2
4
a
2014
+
4
2014a
2014
4
a
2014
Edy Wihardjo Soal Solusi Olimpiade Matematika 6 Mei 2014 2 / 1
3. Solusi
f
a
2014
+ f
2014 a
2014
=
8 + 2
4
2014a
2014
+ 2
4
a
2014
4 + 2
4
2014a
2014
+ 2
4
a
2014
+ 4( 2014a
2014 + a
2014 )
=
8 + 2
4
2014a
2014
+ 2
4
a
2014
4 + 2
4
2014a
2014
+ 2
4
a
2014
+ 41
=
8 + 2
4
2014a
2014
+ 2
4
a
2014
8 + 2
4
2014a
2014
+ 2
4
a
2014
= 1
Edy Wihardjo Soal Solusi Olimpiade Matematika 6 Mei 2014 3 / 1
4. Solusi
f
a
2014
+ f
2014 a
2014
= 1
Edy Wihardjo Soal Solusi Olimpiade Matematika 6 Mei 2014 4 / 1