Diketahui : log2=0,3010 Log3= 0,4771 Log7= 0,8451 Tentukan log 1/7
Matematika
Sentika29
Pertanyaan
Diketahui : log2=0,3010
Log3= 0,4771
Log7= 0,8451
Tentukan log 1/7
Log3= 0,4771
Log7= 0,8451
Tentukan log 1/7
2 Jawaban
-
1. Jawaban gemb1
log2 = 0,3010
log3 = 0,4771
log7 = 0,8451
log 1/7 = log 2/14
= log 2 - log 14
= log 2 - (log ( 7 x 2 ))
= log 2 - (log 7 + log 2)
= log 2 - log 7 - log 2
= -log 7 = -0,8451 -
2. Jawaban Anonyme
log (1/7)
= log 7^-1
= -log 7
= -0,8451