document.write( "Question 894864: Dear Sir/Madam, \r
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document.write( "Please help me with this logarithm question, \r
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document.write( "If logMN = logNM, M±N, M, N ˃ 0, M and N ≠ 1, then MN.\r
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document.write( "note: the base in logMN is M and the base in logNM is N\r
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document.write( "Thank you very much! \n" );
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Algebra.Com's Answer #542404 by rothauserc(4718) You can put this solution on YOUR website! log MN = log NM, then \n" ); document.write( "log base M (M) + log base M (N) = log base N (N) + log base N (M) \n" ); document.write( "note log base M (M) = 1 and log base N (N) = 1, and \n" ); document.write( "1 + log base M (N) = 1 + log base N (M) \n" ); document.write( "subtract 1 from both sides of = \n" ); document.write( "log base M (N) = log base N (M) \n" ); document.write( "use change of base formula \n" ); document.write( "log base M (N) = (log base N (N)) / (log base N (M)) \n" ); document.write( "1 / log base N (M) = log base N (M) \n" ); document.write( "1 = (log base N (M))^2 \n" ); document.write( "1 = log base N (M) \n" ); document.write( "implies that N = M \n" ); document.write( "NM = N^2 or M^2 \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " |