3 log 1/9 + √2 log 9 . 3 log 16/ 2 log 10 . 2 log.5
Matematika
llidianurniti
Pertanyaan
3 log 1/9 + √2 log 9 . 3 log 16/
2 log 10 . 2 log.5
2 log 10 . 2 log.5
1 Jawaban
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1. Jawaban syavahana
(3log 1/9 + √2log 9 . 3log 16)/(2log 10-2log 5)
= (3log 3^-2 + 2^1/2 log 3^2.3log 2^4)/(2log (10:5))
= (-2.3log 3 + 2/(1/2).2log 3.4.3log 2)/(2log 2)
= (-2 + 2.2/1.4.2log 3.3log 2)/1
= (-2+8.2log 2)
= -2+8
= 6