EKSPONENCIJALNE i LOGARITAMSKE FUNKCIJE
PDF- ogledni primjerci - MIM-Sraga
PDF- ogledni primjerci - MIM-Sraga
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LOGARITMI<br />
www.mim-sraga.com<br />
4.<br />
Izračunaj:<br />
1)<br />
2 4<br />
log<br />
x9 = 2) log<br />
x16 = 3) log<br />
x36 = −2<br />
3 5<br />
4)<br />
4 1 1<br />
log<br />
x81 =− 5) log<br />
x<br />
=− 8 6) log<br />
x<br />
3 =<br />
3 16 2<br />
7)<br />
10)<br />
3 1 3 1<br />
log<br />
x<br />
2 = 8) log<br />
x<br />
2 = 9) log<br />
x<br />
25 = 2<br />
3 6<br />
1 8 1<br />
log25<br />
x = 11) log<br />
x<br />
=<br />
2 27 3<br />
5.<br />
⎛1<br />
⎞<br />
⎟<br />
⎝ ⎠<br />
log3 5 log2<br />
7<br />
1) 3 2) 2 3) ⎜ 2<br />
log2<br />
5<br />
4) 3 5) 4 6) 25<br />
log9 6 log2<br />
5<br />
log5<br />
2<br />
log9<br />
25<br />
7) 3 8)<br />
⎛1<br />
⎞<br />
⎜ ⎟<br />
⎝4<br />
⎠<br />
log4<br />
5<br />
6. Logaritmiraj:<br />
2 2 3 4<br />
( x) x ( x y z )<br />
1) log 10 2) log100 3) log<br />
2<br />
10<br />
x<br />
4) log 5) log 6) log x<br />
3<br />
x<br />
y<br />
2<br />
3<br />
3<br />
7) log x<br />
8) log 9) log<br />
5 3<br />
x<br />
y<br />
x<br />
y<br />
10) log x<br />
11) log x<br />
12) log<br />
3 5 4<br />
10<br />
x<br />
3 2 5<br />
13) log 100 14) log 10 3<br />
15) log1<br />
x<br />
x<br />
16) log 1 17) log 1<br />
3 5<br />
Autor kompletnih rješenja: Mladen Sraga<br />
© M.I.M.- Sraga d.o.o.<br />
4