SOLUTION: Is it true in general that log(A+B) = log(A) + log(B)?

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Is it true in general that log(A+B) = log(A) + log(B)?      Log On


   

Question 109931: Is it true in general that log(A+B) = log(A) + log(B)?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
No, it is not true.
log+%28a%2Bb%29+is+_not_+equal_+to+log+a+%2B+log+b
Properties of logs:
log+%28ab%29+=+log+%28a%29+%2B+log+%28b%29
log+%28a%2Fb%29+=+log+%28a%29+-+log+%28b%29
log+%28a%5En%29+=+n+%2Alog+%28a%29, where n can be any number, positive, negative, or zero, or fractional.