EKSPONENCIJALNE i LOGARITAMSKE FUNKCIJE

LOGARITMI kompletna rješenja
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1.
7) log100 = x
8) log0.1 = x
log 100 = x
log 0.1 = x
10 10
x
100 = 10 0.1 = 10
=
1
=
10
2 = x
1 =
2 x
x
10 10 10
−1
x
0 10
x = 2 −1=
x
x =−1
x
9) log1000 = x
10) log 0.01 = x
log 1000 = x
log 0.01 = x
10 10
x
1000 = 10 0.01 = 10
=
1
=
100
3 = x
1
2
10
= 10
x = 3 1 =
3 x
x
10 10 10
x
x
−2
x
0 10
− 2 = x
x = − 2
9
Autor zadataka: Mladen Sraga