document.write( "Question 809728: Find the first three terms of the geometric sequence defined by: a1 = −2; an = 3an − 1 \n" ); document.write( "
Algebra.Com's Answer #487738 by jim_thompson5910(35256)\"\" \"About 
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an = 3an - 1\r
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\n" ); document.write( "\n" ); document.write( "a2 = 3a(2 - 1)\r
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\n" ); document.write( "\n" ); document.write( "a2 = 3a1\r
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\n" ); document.write( "\n" ); document.write( "a2 = 3(-2)\r
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\n" ); document.write( "\n" ); document.write( "a2 = -6\r
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\n" ); document.write( "\n" ); document.write( "an = 3an - 1\r
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\n" ); document.write( "\n" ); document.write( "a3 = 3a(3 - 1)\r
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\n" ); document.write( "\n" ); document.write( "a3 = 3a2\r
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\n" ); document.write( "\n" ); document.write( "a3 = 3(-6)\r
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\n" ); document.write( "\n" ); document.write( "a3 = -18\r
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\n" ); document.write( "\n" ); document.write( "Summary:\r
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\n" ); document.write( "\n" ); document.write( "a1 = -2
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\n" ); document.write( "a3 = -18\r
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\n" ); document.write( "\n" ); document.write( "First three terms are: -2, -6, -18\r
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