document.write( "Question 1055907: hi,
\n" ); document.write( "i need to know the between number
\n" ); document.write( "6, 13, ?, 33.And also for another one.The questions are,
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\n" ); document.write( " __?___,7, 26, 63.
\n" ); document.write( "please reveal me as soon as possible
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Algebra.Com's Answer #671268 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "6, 13, ?, 33\r\n" );
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document.write( "\"An%5E2%2BBn%2BC=a%5Bn%5D\"\r\n" );
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document.write( "Substitute n=1, a1 = 6\r\n" );
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document.write( "\"A%281%29%5E2%2BB%281%29%2BC=a%5B1%5D=6\"\r\n" );
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document.write( "\"A%281%29%2BB%2BC=6\"\r\n" );
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document.write( "\"A%2BB%2BC=6\"\r\n" );
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document.write( "Substitute n=2, a2 = 13\r\n" );
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document.write( "\"A%282%29%5E2%2BB%282%29%2BC=a%5B2%5D=13\"\r\n" );
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document.write( "\"A%284%29%2B2B%2BC=13\"\r\n" );
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document.write( "\"4A%2B2B%2BC=13\"\r\n" );
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document.write( "Substitute n=4, a4 = 33\r\n" );
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document.write( "\"A%284%29%5E2%2BB%284%29%2BC=a%5B4%5D=33\"\r\n" );
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document.write( "\"A%2816%29%2B4B%2BC=33\"\r\n" );
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document.write( "\"16A%2B4B%2BC=33\"\r\n" );
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document.write( "Solve the system:\r\n" );
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document.write( "\"system%28A%2BB%2BC=6%2C4A%2B2B%2BC=13%2C16A%2B4B%2BC=33%29\"\r\n" );
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document.write( "and get A=1, B=4, C=1\r\n" );
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document.write( "So the formula is\r\n" );
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document.write( "\"n%5E2%2B4n%2B1=a%5Bn%5D\"  \r\n" );
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document.write( "Substitute n=3\r\n" );
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document.write( "\"%283%29%5E2%2B4%283%29%2B1=a%5B3%5D\"\r\n" );
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document.write( "\"9%2B12%2B1=a%5B3%5D\"\r\n" );
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document.write( "\"22=a%5B3%5D\"\r\n" );
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document.write( "6, 13, 22, 33 \r\n" );
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document.write( "-------------------------\r\n" );
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document.write( "__, __, 7, 26, 63.\r\n" );
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document.write( "\"An%5E2%2BBn%2BC=a%5Bn%5D\"\r\n" );
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document.write( "Substitute n=3, a3 = 7\r\n" );
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document.write( "\"A%283%29%5E2%2BB%283%29%2BC=a%5B3%5D=7\"\r\n" );
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document.write( "\"A%289%29%2B3B%2BC=7\"\r\n" );
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document.write( "\"9A%2B3B%2BC=7\"\r\n" );
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document.write( "Substitute n=4, a4 = 26\r\n" );
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document.write( "\"A%284%29%5E2%2BB%284%29%2BC=a%5B4%5D=26\"\r\n" );
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document.write( "\"A%2816%29%2B4B%2BC=26\"\r\n" );
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document.write( "\"16A%2B4B%2BC=26\"\r\n" );
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document.write( "Substitute n=5, a5 = 63\r\n" );
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document.write( "\"A%285%29%5E2%2BB%285%29%2BC=a%5B5%5D=63\"\r\n" );
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document.write( "\"A%2825%29%2B5B%2BC=63\"\r\n" );
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document.write( "\"25A%2B5B%2BC=63\"\r\n" );
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document.write( "Solve the system:\r\n" );
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document.write( "\"system%289A%2B3B%2BC=7%2C16A%2B4B%2BC=26%2C25A%2B5B%2BC=63%29\"\r\n" );
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document.write( "and get A=9, B=-44, C=58\r\n" );
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document.write( "So the formula is\r\n" );
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document.write( "\"9n%5E2-44n%2B58=a%5Bn%5D\"  \r\n" );
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document.write( "Substitute n=1\r\n" );
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document.write( "\"9%281%29%5E2-44%281%29%2B58=a%5B1%5D\"\r\n" );
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document.write( "\"9-44%2B58=a%5B1%5D\"\r\n" );
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document.write( "\"23=a%5B1%5D\"\r\n" );
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document.write( "Substitute n=2\r\n" );
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document.write( "\"9%282%29%5E2-44%282%29%2B58=a%5B2%5D\"\r\n" );
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document.write( "\"9%284%29-88%2B58=a%5B2%5D\"\r\n" );
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document.write( "\"36-88%2B58=a%5B1%5D\"\r\n" );
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document.write( "\"6=a%5B1%5D\"\r\n" );
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document.write( "23, 6, 7, 26, 63\r\n" );
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document.write( "Edwin
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