document.write( "Question 438145: find the nth term of the sequence 5,-10,15,-20 \n" ); document.write( "
Algebra.Com's Answer #303050 by robertb(5830)\"\" \"About 
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\"a%5Bn%5D+=+%28-1%29%5E%28n-1%295n\", for n = 1,2,3,4,5,... \n" ); document.write( "
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