nilai ²log 2+ ²log 2+ ²log 7+ ²log 16- ²log 28 adalah...
Matematika
rafi1057
Pertanyaan
nilai ²log 2+ ²log 2+ ²log 7+ ²log 16- ²log 28 adalah...
2 Jawaban
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1. Jawaban EkoBwi
nilai ²log 2+ ²log 2+ ²log 7+ ²log 16- ²log 28
= ²log ( 2x2x7x16/28)
= ²log ( 2² x 2⁴/2²)
= ²log (2^2+4-2)
= ²log2⁴
= 4 x ²log2
= 4 x 1
= 4 -
2. Jawaban amaliareski
maaf ya kalau salah, mudah-mudahan membantu
²log 2+ ²log 2+ ²log 7+ ²log 16- ²log 28
= ²log (2 x 2 x 7 x 16) - ²log 28
= ²log 448 - ²log 28
=²log 448/28
= 16