| 2 | ||
log1216= | (3−a) | |
| 3 |
| 1 | 4 | |||
log1216 = | = | |||
| log1612 | log32 + 2 |
| 1 | 3 | 3 | ||||
log1227 = | = | = | = m | |||
| log2712 | 1 + log34 | 1 + 2/log23 |
| 12 | ||
log1227= 3log123 = 3(log12( | )= 3(log1212− log124)= 3−3log124 | |
| 4 |
| 3−a | ||
3−3log124=a ⇒ 3log124= 3−a ⇒ log124= | ||
| a |
| 3−a | 2 | |||
log1216= 2log124 = 2* | = | (3−a) | ||
| 3 | 3 |