log 5 + log 20 - log 25 + log 75 = a. log 75 b. log 150 c. 2-log 3 d. 2+log 3 e. 2+log 5
Matematika
boykem02
Pertanyaan
log 5 + log 20 - log 25 + log 75 =
a. log 75
b. log 150
c. 2-log 3
d. 2+log 3
e. 2+log 5
a. log 75
b. log 150
c. 2-log 3
d. 2+log 3
e. 2+log 5
1 Jawaban
-
1. Jawaban newwiguna
log 5 + log 20 - log 25 + log 75 =
log 5 + log 20 - (log 25 - log 75) =
log(5 x 20) - (log(25/75)) =
log 100 - (log 1/3) =
2 - (log 3⁻¹) =
2 - ( - log3) =
2 + log 3
jawaban D