document.write( "Question 1114530: Sn=(rn-1)/r-1 make A the subject of formula? \n" ); document.write( "
Algebra.Com's Answer #729466 by ikleyn(52786)\"\" \"About 
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\n" ); document.write( "As posted, it MAKES NO SENSE,\r
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\n" ); document.write( "\n" ); document.write( "because A is not a member of the formula.\r
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\n" ); document.write( "\n" ); document.write( "Do you understand well the meaning of what you are writing/posting ? ? ? \r
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