| 1 | 1 | |||
log122 = log3*42 = //wzór: logab = | // = | = // wzór | ||
| logba | log2 (3*4) |
| 1 | 1 | |||
loga(b*c) = logab + logac // = | = | |||
| log23 + log24 | log23 + 2 |
| 1 | ||
log183 = // po analogicznych przeksztalceniach // = | ||
| log32 + 2 |
| 1 | 1 | 1 | |||
= a <=> log23 + 2 = | <=> log23 = | − 2 <=> | |||
| log23 + 2 | a | a |
| 1 | 1 | 1 | ||||
<=> | = | − 2 <=> log32 = | ||||
| log32 | a | 1/a −2 |
