document.write( "Question 1204649: Given that P>1 and \"1%2Flog%282%2CP%29\" + \"1%2Flog%283%2CP%29\" + \"1%2Flog%285%2CP%29\" + \"1%2Flog%287%2CP%29\" + \"1%2Flog%2811%2CP%29\" = \"1%2Flog%28x%2CP%29\", find the integral value of x \n" ); document.write( "
Algebra.Com's Answer #841038 by ikleyn(52781)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Given that P>1 and \"1%2Flog%282%2CP%29\" + \"1%2Flog%283%2CP%29\" + \"1%2Flog%285%2CP%29\" + \"1%2Flog%287%2CP%29\" + \"1%2Flog%2811%2CP%29\" = \"1%2Flog%28x%2CP%29\", find the integral value of x
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document.write( "Use an identity\r\n" );
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document.write( "    \"1%2Flog%28a%2Cb%29\" = \"log%28b%2Ca%29\",\r\n" );
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document.write( "which is valid for any positive real \"a\" and \"b\".\r\n" );
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document.write( "Then your equation will take the form\r\n" );
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document.write( "    \"log%28P%2C2%29\" + \"log%28P%2C3%29\" + \"log%28P%2C5%29\" + \"log%28P%2C7%29\" + \"log%28P%2C11%29\" = \"log%28P%2Cx%29\".\r\n" );
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document.write( "It is the same as\r\n" );
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document.write( "    \"log%28P%2C%282%2A3%2A5%2A7%2A11%29%29\" = \"log%28P%2Cx%29\",\r\n" );
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document.write( "which you can transform further\r\n" );
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document.write( "    \"log%28P%2C%282310%29%29\" = \"log%28P%2C%28x%29%29\"\r\n" );
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document.write( "    x = 2310.\r\n" );
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document.write( "ANSWER.  x = 2310.\r\n" );
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