diket 2 log 3= a maka 18 log 162?

2log3=a

18log162
=18log(18x9)
=18log18 +18log9
=1 + 1/9log18
=1 + 1/9log(9x2)
=1 + 1/(9log9 + 9log2)
=1 + 1/(1 + 3² log2
=1 + 1/(1 + 2 1/2 log 3)
=1 + 1/(1+2/a)

2 x (3²) log 2 x (3^4)
4/2 . (2x3) log (2x3)
4/2 . 2log3 . 2log3
4/2 . 2a

maaf kalau salah