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What is the answer for question 15) ? http://postimg.org/image/6g52noj6f/
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High School Teacher
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.
Posted by violy on May 29, 2013 at 12:14 AM (Answer #1)
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