Question

Tentukan nilai x yang memenuhi persamaan 3 log (x+1)=5

Answer 1

^3log (x +1) = 5
^3log (x +1) = ^3log3^5
         x + 1 = 3^5
         x + 1 = 243
               x = 243 + 1
               x = 244

Answer 2

3 log (x+1) = 3 log 3^5
x+1 = 3^5
x+1 = 243
x = 243-1
x = 242