document.write( "Question 300446: Find the sum of the infinte series: Σ2(3/7)^k(with the infinity sign on top of Σ, and k=1 on the bottom.) \n" ); document.write( "

Algebra.Com's Answer #215611 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"sum%28+2%283%2F7%29%5Ek%2C+k=1%2Cinfinity+%29\"$
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\n" ); document.write( " $\"sum%28+a%28q%29%5Ek%2C+k=1%2Cinfinity+%29=aq%2F%281-q%29\"$
\n" ); document.write( "In your case, q=3/7, a=2
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\n" ); document.write( " $\"sum%28+2%283%2F7%29%5Ek%2C+k=1%2Cinfinity+%29=%286%2F7%29%2F%287%2F7-3%2F7%29\"$
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\n" ); document.write( " $\"sum%28+2%283%2F7%29%5Ek%2C+k=1%2Cinfinity+%29=3%2F2\"$ \n" ); document.write( "

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