Question

Log2=a dan log3=b maka bentuk logaritma log1/15 berapa?

Answer 1

Data :
log 2 = a
log 3 = b
log 1 = 0

Ditanya :
log 1 / 15 ?

Penyelesaian :
= log 1 / 15
= log 1 - log 15
= 0 - log 3 . 10 / 2
=  - log3 + log10 - log2   
= -b + 1 - a
= 1 - b - a