Question

Jika log 2 = p dan log 3 = q maka nilai log 15 adalah ?

Answer 1

Log 15 = log (3.10/2)
= log 3 + log 10 - log 2
= q + 1 - p
= q - p + 1

Answer 2

Log 2 = p dan log 3 = q maka nilai log 15= log 30/2 = log 30 - log 2 = log 10 x 3 - p = log 10 + log 3 - p = 1 + q -p