document.write( "Question 1131345: The nth term of an Arithmetic Progression (A.P) is given by Un = 4n^2-5n.Find the sum of the first n terms. \n" ); document.write( "
Algebra.Com's Answer #748021 by ikleyn(52847)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "The meaning of the first statement is that EVERY term of this AP can be expressed as Un= 4n^2 - 5n.\r
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\n" ); document.write( "\n" ); document.write( "But the fact is that there is no and can not be and can not exist such an arithmetic progression.\r
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\n" ); document.write( "\n" ); document.write( "So the formulation is self-contradictory and describes a non-existing object.\r
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\n" ); document.write( "\n" ); document.write( "Therefore, this assignment CAN NOT be accepted for execution.\r
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