Question

Jika 2log 3 = a dan 2log5 =b nilai 3log 75 adalah?

Answer 1

³log 75
=²log 75 / ²log 3
=²log 3×5² / ²log 3
=(²log 3 + ²log 5²)/ ²log 3
=(²log 3 + 2 log 5) / ²log 3
=(a+2b)/b