Wzory
Wzory: |
Przykłady: |
• • • | ||
loga 1 = 0 |
log'3 1 = 0 |
log i 1=0 2 |
> | |
loga a — l |
log3 3 = 1 |
logi £ = 1 |
» | |
cri o ?r II |
log2 23 = 3 |
log5 53 = 3 |
» | |
l0ga X>C = k loga X |
log'3 25 = 5 |
!°g3 2 |
log34 = 4 log 3 |
> |
aloSa X=x |
3iog:i 5 = 5 |
<i),0V = 7 |
> | |
loga (a: • y) = loga X + loga V |
l°g2(3 • 5) = |
: log2 3 + log2 5 |
» | |
log3(9\/3) = |
= log3 9 + log3 | |||
loga f = loga x ~ loga V |
log2 | = log2 3 - log2 5 |
» | ||
log3 ^ = log3 v/3 - |
log39 | |||
■ , logcb l°ga b = , logc a |
• • » | |||
c- dowolna liczba spełniająca warunki |
log23 = ^ |
rt O 5 ^ | ||
loga b = r~— logi a |
1oS3 8=I^ |
rs |
» |