document.write( "Question 1112779: Sn=Ar(rn-1)/r-1 make d as the subject of the formula \n" ); document.write( "
Algebra.Com's Answer #727802 by ikleyn(52778)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "Read your post and make sure that \"d\" is not a part of the formula.\r
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\n" ); document.write( "\n" ); document.write( "Mission impossible.\r
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