document.write( "Question 1020764: What is the nth term of the sequence (-1, 4, -9, 16, ......)?\r
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Algebra.Com's Answer #636608 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
It should be \"a%5Bn%5D+=+%28-1%29%5En%2An%5E2\", as can be verified directly for n = 1, 2, 3, 4, 5,... \n" ); document.write( "
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