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 />
2 4<br />
1) log<br />
x9 = 2) log<br />
x16<br />
=<br />
3 5<br />
2 3 4<br />
3 2<br />
5<br />
9 = x / 16 = x<br />
2 5<br />
3 4<br />
9 = x<br />
16<br />
= x<br />
3 1 ⋅ 5<br />
2 4<br />
x = 9 x = 16<br />
( )<br />
2 4<br />
( 3 ) x ( 2 )<br />
2 ⋅ 3<br />
1 2<br />
3 1<br />
2 4<br />
x = =<br />
x = 3 x = 2<br />
x = x =<br />
x = 27<br />
3<br />
3 3<br />
4<br />
3) log<br />
x36 =− 2 4) log<br />
x81<br />
=−<br />
3<br />
1<br />
4 3<br />
−2<br />
−<br />
− −<br />
2 3 4<br />
36 / 81 /<br />
= x<br />
= x<br />
−1 3<br />
2 −<br />
= x<br />
4<br />
= x<br />
−1 3<br />
2 −<br />
x = 36 x = 81 4<br />
1<br />
3<br />
4 − 4<br />
x =<br />
1<br />
x =<br />
2<br />
( 3 )<br />
36<br />
1<br />
4 ⋅ 3<br />
1 ( −4)<br />
36 81<br />
x = x = 3<br />
36<br />
1<br />
−3<br />
x =<br />
x = 3<br />
6<br />
1<br />
x =<br />
3<br />
3<br />
1<br />
x =<br />
27<br />
5<br />
2<br />
5<br />
Autor kompletnih rješenja: Mladen Sraga<br />
© M.I.M.- Sraga d.o.o.<br />
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