SOLUTION: Express this as a single logarithm: 1) log(x2-4)- 2 log(x+2) ( the first 2 is squared)

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Question 126233: Express this as a single logarithm:
1) log(x2-4)- 2 log(x+2)
( the first 2 is squared)

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
The general rules are
and
You can prove this by picking some number for , say
, then



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answer

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