document.write( "Question 1178380: The sum to n terms of a sequence of numbers is given as : Sn = n/2(5n+9)\r
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Algebra.Com's Answer #807610 by ikleyn(52790) $\"\"$ $\"About$

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document.write( "The 23-th term of the sequense is the difference of   and  .\r\n" );
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document.write( "So, substitute the numbers into the formula and calculate !\r\n" );
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document.write( "It is what the problem does expect of you (!)\r\n" );
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\n" ); document.write( "\n" ); document.write( "You are instructed -----> hence, you know the way (!)\r
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\n" ); document.write( "\n" ); document.write( "Boldly go forward (!)\r
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