SOLUTION: how do you put this expression into single term? in(x2-9)-In(x-3)

Question 1019268: how do you put this expression into single term? in(x2-9)-In(x-3)
Answer by ikleyn(52908) (Show Source): You can put this solution on YOUR website!
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how do you put this expression into single term? in(x2-9)-In(x-3)
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1.  -  =       <-----  since  ln(a) - ln(b) = 

   =  =             <-----   = (x-3)*(x+3)

   =  =        <-----  Now cancel (x-3) in numerator and denominator

   =  =

   = ln(x+3).

2. Why do you write In and in for natural logarithm ?
The standard symbol for natural logarithm is ln.

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