document.write( "Question 696893: Guess a simple formula for the sequence that begins: −1, 1/2,−1/3, 1/4,−1/5. \n" ); document.write( "
Algebra.Com's Answer #429442 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"%281%2Fn%29%2A%28-1%29%5En\", for \"n\" = \"1\",\"2\",\"3\"...........
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