~ Sifat - Sifat :
1. alog ax = X
2. log ab = log a+log b
3. alog ab = alog a + alog
b ;a>0 ;b>0
4. log a = log a – log b
b
b
5. alog a = alog a – alog
b ;a>0 ;b>0
b
6. alog b = xlog b ;x>0
dan x≠1
xlog a
7. alog bn = n . alog
b
8. a alogb = b
9. alog b . alog c = alog
c
~ Persamaan :
alog f(x) = alog g(x)
maka, f(x) = g(x)
~ Pertidaksamaan :
alog f(x) > alog g(x)
(i) f(x) > g(x) untuk a>1
(ii) f(x)>0
(iii) g(x)>0
Himpunan penyelesaiannya = (i) ∩ (ii) ∩ (iii)
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