Nilai dari log 3 - 2 log 9 + 2 log12

2 log 3-2 log 9 + 2 log 12
log 3^2 - log 9^2 + log 12^2
log 9/81 +log 144
log (1/9 x 144 )
log 16

a. log a + log b = log ab
b. log a - log b = log a/b
c. [tex]log a^{n} [/tex] = n log a

2 log 3 - 2 log 9 + 2 log 12 =
2 log (3/9 x 12)
2 log 4 = 2 log [tex] 2^{2} [/tex]
2 2 log 2 = 2