Jawabanmu

2014-09-07T17:13:39+07:00
=2log3^2 × 3log16 + 4log32
=2×2log3×3log16 + 4log32
=2×2log16+4log32
=2×2log2^4+2^2log2^5
=2×4+5/2
=8+5/2
=21/2
kalau : 5 log 3 = a dan 3 log 4 = b. nilai 4 log 15 berapa ?
terima kasih^^