document.write( "Question 565494: solve for r:\r
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Algebra.Com's Answer #365841 by ad_alta(240)\"\" \"About 
You can put this solution on YOUR website!
This is really quite messy, so I can't type out all the work. r=[(s+1) {+/-} sqrt(s^2+2s+4aL+1)]/2L.\r
\n" ); document.write( "\n" ); document.write( "The {+/-} indicates plus or minus. I suggest you work backward from this to wherever you were stuck. Good luck!
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