Bubur quiz terakhir sebelum ngoroqnilai n

Bubur quiz terakhir sebelum ngoroqnilai n

$rm {5}^{3n -1 } = 3.125$

Pakai logaritma ;-;

$rm3n - 1 = : ^{5} log : 3.125$

$rm3n - 1 = : ^{ {5}} log : {5}^{5}$

$rm3n - 1 = 5 cdot: ^{ {5} } log : {5}$

$rm3n - 1 = 5 cdot: cancel{ ^{ {5} } log : {5}}$

$rm3n - 1 = 5$

$rm3n = 5 + 1$

$rm3n = 6$

$rm : n = cfrac{6}{3}$

$boxed{rm : n = 2}$

Penjelasan dengan langkah-langkah:

$sf {5}^{3n - 1} = 3.125$

$sf{5}^{3n - 1} = {5}^{5}$

3n – 1 = 5

3n = 5 + 1

3n = 6

n = 6/3

n = 2