4 log 7 = x. Nilai dari 2 log 49 =

◾ Materi : Logaritma
◾ Sub materi : Sifat Umum Logaritma
◾ Mapel : Matematika
◾ Keyword :

Jawab :
⁴log 7 = x

²log 49
= log 49 / log 2
= ⁴log 49 / ⁴log 2
= ⁴log 7² / 2² log 2
= 2. ⁴log 7 / ½ ²log 2
= 2. x / ½
= 4x


semoga membantu
# sharing is caring #
-vin

[tex] ^{4} log7 = x \\ ^{2 ^{2} }log7 = x \\ \frac{1}{2} \: ^{2} log \: 7 = x \\ ^{2} log \: 7 = 2x \\ \\ maka \\ ^{2} log \: 49 = ^{2} log \: {7}^{2} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 ^{2} log \: {7} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 2 \times 2x = 4x[/tex]