nilai dari 2log25 x 3log8 x 5log9 adalah

[tex] ^2log 25 \times ^3log 8 \times ^5log 9 \\ = ^2log(5^2) \times ^3log(2^3) \times ^5log(3^2) \\ = (2\times ^2log5) \times (3\times ^3log2) \times (2\times ^5log3) \\ = 2\times3\times2 \times ^2log 5 \times ^5log 3 \times ^3log 2 \\ = 12 \times ^2log 3 \times ^3log 2 \\ 12 \times ^2log 2 \\ = 12 [/tex]