4log 81 . 3Log 32 Tolong dong kaa?

jawab :

⁴log 81 × ³log 32
= ⁴log 3⁴ × ³ log 2^5
= 4 ⁴log 3 × 5 ³ log 2
= 20 ⁴log 3 ³log 2
= 20 ⁴log2
= 20 × 1/²log 4
= 20 × 1/2
= 10