document.write( "Question 977413: Find the explicit formula for the geometric sequence with a1 = -3 and r = 2. \n" ); document.write( "
Algebra.Com's Answer #599202 by jim_thompson5910(35256)\"\" \"About 
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\"a%5Bn%5D+=+a%5B1%5D%2A%28r%29%5E%28n-1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D+=+-3%2A%28r%29%5E%28n-1%29\" Replace \"a%5B1%5D\" with \"-3\"\r
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\n" ); document.write( "\n" ); document.write( "\"a%5Bn%5D+=+-3%2A%282%29%5E%28n-1%29\" Replace \"r\" with \"2\"\r
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\n" ); document.write( "\n" ); document.write( "and that's all there is to it
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