document.write( "Question 1120996: Find the first four terms of each sequence.\r
\n" ); document.write( "\n" ); document.write( "a1=-3
\n" ); document.write( "an=2n.an-1, if n is >1.
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Algebra.Com's Answer #736726 by Tatiana_Stebko(1539)\"\" \"About 
You can put this solution on YOUR website!
Is there formula \"a%5Bn%5D=2n%2Aa%5Bn-1%5D\"
\n" ); document.write( "\"a%5B1%5D=-3\"
\n" ); document.write( "\"n=2\", then \"a%5B2%5D=2%2A2%2Aa%5B1%5D=4%2A%28-3%29=-12\"
\n" ); document.write( "\"n=3\", then \"a%5B3%5D=2%2A3%2Aa%5B2%5D=6%2A%28-12%29=-72\"\r
\n" ); document.write( "\n" ); document.write( "\"n=4\", then \"a%5B4%5D=2%2A4%2Aa%5B3%5D=8%2A%28-72%29=-576\"
\n" ); document.write( "Answer: -3, -12, -72, -576
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