SOLUTION: log(3,1/81)

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: log(3,1/81)      Log On


   



Question 297262: log(3,1/81)
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
log%283%2C%281%2F81%29%29
Let this expression equal x
x+=+log%283%2C%281%2F81%29%29
Rewrite this as:
3%5Ex+=+1%2F81
3%5Ex+=+1%2F%283%5E3%29
3%5Ex+=+3%5E%28-3%29
x+=+-3
log%283%2C%281%2F81%29%29+=+-3