document.write( "Question 1047951: The sum of the first n terms of a series is 2n^2−n. Find the nth term \n" ); document.write( "
Algebra.Com's Answer #663532 by ikleyn(52781)\"\" \"About 
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\n" ); document.write( "The sum of the first n terms of a series is 2n^2−n. Find the nth term
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document.write( "\"a%5Bn%5D\" = \"S%5Bn%5D\" - \"s%5Bn-1%5D\" = \"2%2An%5E2+-n\" - \"%282%2A%28n-1%29%5E2+-+%28n-1%29%29\" = \"2n%5E2+-+n+-+2n%5E2+%2B+4n+-+2+%2B+n+-+1\" = 4n-3.\r\n" );
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document.write( "Answer.  \"a%5Bn%5D\" = 4n-3.\r\n" );
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