Question

Diketahui 3log 2=a dan 3log 5=b. maka 3 log 200 adalah

Answer 1

3 log 200 = 3 log 2x2x5x5 = 3 log 2+ 3 log 2 + 3 log 5 +3log 5 = 2a+2b

Answer 2

3 x log 2 = a
3 x log 5 =b
3 log 200
3 log x 23 x 53
3 log x 23 + 3 log 52
3 x 3 log 2 + 3 x 2 log 5
3 (3 log 2 + 2 log 5)
3 (a + b)
3a+3b