5.4 Persamaan yang Melibatkan Logaritma (Contoh 2 & 3)
Contoh 2:
Selesaikan setiap persamaan yang berikut.
Penyelesaian:
![](https://4.bp.blogspot.com/-m56ehjuyWt4/V3omZpSjBZI/AAAAAAAAEHo/96O3ppvcwE8_LGsAXNI7dPD4Z8sAIoOpgCLcB/s400/Picture28.png)
![](https://1.bp.blogspot.com/-KZjQnZ_ALbw/V3omev_yf6I/AAAAAAAAEHs/vximWnbk2m0GdkaEoY36OxSGVfVx1bl0wCLcB/s400/Picture29.png)
Contoh 3:
Selesaikan setiap persamaan yang berikut.
(a) log3
[log2
(2x
− 1)] = 2
(b) log16 [log2 (5x − 4)] = log9 √3
(b) log16 [log2 (5x − 4)] = log9 √3
Penyelesaian:
![](https://1.bp.blogspot.com/-TfbivwQtPow/V3om7j9xnhI/AAAAAAAAEHw/JPbtVO6XmIkoLODzmPF0Esr8a1HvSJpAwCLcB/s400/Picture30.png)
![](https://2.bp.blogspot.com/-fdcQMgeyUns/V3om_zD796I/AAAAAAAAEH4/tR1Xdni-2awJsQx1GC2Y6RkMZJUo_2iuwCLcB/s400/Picture31.png)