document.write( "Question 1057699: how do i substitute r which is 4/à in à(à+ar+ar^2)
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Algebra.Com's Answer #673063 by ikleyn(52790)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Some \"a\"s are \"à\", the others are \"a\".\r
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\n" ); document.write( "\n" ); document.write( "Are they different?\r
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\n" ); document.write( "\n" ); document.write( "Unclear.\r
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\n" ); document.write( "\n" ); document.write( "Please edit and re-post.\r
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