document.write( "Question 212061This question is from textbook Discovering Advanced Algebra
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Algebra.Com's Answer #160144 by Edwin McCravy(20056)\"\" \"About 
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2,6,10,14....... find the 15th term
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document.write( "\"6-2=4\", \"10-6=4\", \"14-10=4\"\r\n" );
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document.write( "So \"d=4\", \"a%5B1%5D=2\"\r\n" );
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document.write( "\"a%5Bn%5D=a%5B1%5D%2B%28n-1%29d\"\r\n" );
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document.write( "\"a%5B15%5D=2%2B%2815-1%29%284%29\"\r\n" );
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document.write( "\"a%5B15%5D=2%2B%2814%29%284%29\"\r\n" );
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document.write( "\"a%5B15%5D=2%2B56\"\r\n" );
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document.write( "\"a%5B15%5D=58\"\r\n" );
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document.write( "Checking:\r\n" );
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document.write( "2,6,10,14,18,22,26,30,34,38,42,46,50,54,58\r\n" );
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document.write( "Edwin

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