Question

Diketahui 2 log3 = m d an 7 log2=n. tentukan nilai daei 18log84

Answer 1

2 log 3 = m
7 log 2 = n

18 log 84
= log 84/log 18
= log2x2x3x7/log2x3x3
= 2 log 2 + 2 log 2 + 2 log 3 + 2 log 7 / 2 log 2 + 2 log 3 + 2 log 3
= 1 + 1 + m + n / 1 + m + m
= 2 + m + n / 1 + 2m

Maaf kalo salah^^