document.write( "Question 1069864: For the following geometric sequence find the explicit formula.
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Algebra.Com's Answer #684963 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
Common ratio, \"-1%2F2\".\r
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\n" ); document.write( "\n" ); document.write( "\"12%28-1%2F2%29%5E%28n-1%29\"
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