document.write( "Question 633283: I need help figuring out how to solve this.
\n" ); document.write( "It is an infinite series, 1+3+9+27+81+243+...= -1/2
\n" ); document.write( "I need to prove that this infinite series equals -1/2.
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Algebra.Com's Answer #398780 by Alan3354(69443)\"\" \"About 
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I need help figuring out how to solve this.
\n" ); document.write( "It is an infinite series, 1+3+9+27+81+243+...= -1/2
\n" ); document.write( "I need to prove that this infinite series equals -1/2.
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\n" ); document.write( "It obviously does not = -1/2.
\n" ); document.write( "Why would it be negative?
\n" ); document.write( "The 1st term is > -1/2
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