document.write( "Question 204303: Use sigma notation to write the sum -x^5/9 + x^6/10 - x^7/11 + x^8/12..
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Algebra.Com's Answer #154242 by RAY100(1637)\"\" \"About 
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,,(8)
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\n" ); document.write( "Please excuse the commas used only for spacers. Let \"E\" = summation symbol
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\n" ); document.write( "expanding this by letting n=5,,then 6,,then 7,,then 8,,,gives the original series
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