Question

Diketahui ²log3 = a dan ²log5 = b, nilai ³log75 adalah .....

Answer 1

²log 3 = a ==> ³log 2 = 1/a
²log 5 = b

³log 75 = ³log(5²x3) = ³log 5² + ³log 3
=> 2.³log 5 + 1
=> 2.(³log 2.²log 5) + 1
=> 2.(1/a. b) + 1
=>