document.write( "Question 1086898: What is the next fraction in this sequence? Simplify your answer.\r
\n" ); document.write( "\n" ); document.write( "1/72, 1/36, 1/18, 1/9\r
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Algebra.Com's Answer #701144 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\"1%2F72\", \"1%2F36\", \"1%2F18\", \"1%2F9+\"\r
\n" ); document.write( "\n" ); document.write( "this is a geometric sequence
\n" ); document.write( "if we first term multiply by \"2\", we will get second term\r
\n" ); document.write( "\n" ); document.write( "\"%281%2F72%292=2%2F72=1%2F36\"...do same with second term to get third term\r
\n" ); document.write( "\n" ); document.write( "\"%281%2F36%292=2%2F36=1%2F18\", \r
\n" ); document.write( "\n" ); document.write( "\"%281%2F18%292=2%2F18=1%2F9\"\r
\n" ); document.write( "\n" ); document.write( "next fraction is:\r
\n" ); document.write( "\n" ); document.write( "\"%281%2F9+%292=2%2F9\"\r
\n" ); document.write( "\n" ); document.write( "\"%282%2F9%292=4%2F9\"\r
\n" ); document.write( "\n" ); document.write( "so, sequence is\r
\n" ); document.write( "\n" ); document.write( "\"1%2F72\", \"1%2F36\", \"1%2F18\", \"1%2F9\",\"+2%2F9\", \"4%2F9\", \"8%2F9\", \"16%2F9\", \"32%2F9\", ...\r
\n" ); document.write( "\n" ); document.write( "general formula:\r
\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D+=+2%5E%28n+-+4%29%2F9+\"\r
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