1 Answer | Add Yours
The Product Rule for Logarithms
For any positive numbers M, N and `a (a=1)` ,
`log_aMN = log_aM + log_aN`
It is not possible to use the product rule for logarithms on log(-7) + log(-4), since -7 anf -4 are not positive numbers.
We’ve answered 328,176 questions. We can answer yours, too.Ask a question