document.write( "Question 1019268: how do you put this expression into single term? in(x2-9)-In(x-3) \n" ); document.write( "
Algebra.Com's Answer #635226 by ikleyn(52909)\"\" \"About 
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\n" ); document.write( "how do you put this expression into single term? in(x2-9)-In(x-3)
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document.write( "1. \"ln%28x%5E2-9%29\" - \"ln%28x-3%29\" =       <-----  since  ln(a) - ln(b) = \"ln%28a%2Fb%29\"\r\n" );
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document.write( "   = \"ln%28%28x%5E2-9%29%2F%28x-3%29%29\" =             <-----  \"x%5E2-9%29\" = (x-3)*(x+3)\r\n" );
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document.write( "   = \"ln%28%28%28x-3%29%2A%28x%2B3%29%29%2F%28x-3%29%29\" =        <-----  Now cancel (x-3) in numerator and denominator\r\n" );
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document.write( "   = \"ln%28%28cross%28%28x-3%29%29%2A%28x%2B3%29%29%2F%28cross%28x-3%29%29%29\" =\r\n" );
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document.write( "   = ln(x+3).\r\n" );
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\n" ); document.write( "\n" ); document.write( "2. Why do you write In and in for natural logarithm ?
\n" ); document.write( "    The standard symbol for natural logarithm is ln.\r
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