|jejakseribupena.com, Soal dan Solusi Simak UI Matematika Dasar, 2010 12. SIMAK UI Matematika Dasar 209, 2010
Solusi 1:
3 3
3
3
3 log
3 log
3
1 2 log 1 2 log
x x
f x f
x x
x
3 3 3
3 3 3
log log 3 log
1 2 log 1 2 log 3 log
x x
x x
3 3 3
3 3
log log 3 log
1 2 log 1 2 log
x x
x x
3 3
3 3
log 1 log
1 2 log 1 2 log
x x
x x
3 3
1 2 log
1
1 2 log
x x
Solusi 2:
3 3
3 3 log 3 1
3 1
1 2
1 2 log 3
f x f f x f
x x
3 3 3
3 3 3
log log 3 log
1 2 log 1 2 log 3 log
x x
x x