Nilai dari 3log 2+3log9-3log18+3log 81adalah

[tex]3log \: (\frac{2.9.81}{18} )[/tex]
18 coret dg 2.9

sisanya
[tex] = 3log \: 8 \\ = 3log \: {3}^{4} \\ = 4 \times 3log3 \\ = 4 \times 1 \\ = 4[/tex]

Maaf kalo salah hwhw