document.write( "Question 1069387: find explicit formula for the nth term of the sequence with initial terms.
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\n" ); document.write( "b)4/9,-8/27,16/81,-25/243
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Algebra.Com's Answer #802557 by CubeyThePenguin(3113)\"\" \"About 
You can put this solution on YOUR website!
a) first term = 3, common ratio = 2\r
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\n" ); document.write( "\n" ); document.write( "a_n = \"3%282%29%5E%28n-1%29\"\r
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\n" ); document.write( "\n" ); document.write( "b) first term = 4/9, common ratio = -2/3\r
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\n" ); document.write( "\n" ); document.write( "a_n = \"%284%2F9%29%28-2%2F3%29%5E%28n-1%29\"
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