document.write( "Question 30271: Can you help me divide the rational expression.\r
\n" ); document.write( "\n" ); document.write( "a^2+2a+1/3 divided by a^2-1/a
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Algebra.Com's Answer #16996 by sdmmadam@yahoo.com(530)\"\" \"About 
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a^2+2a+1/3 divided by a^2-1/a
\n" ); document.write( "= (a^2+2a+1)/3 divided by (a^2-1)/a
\n" ); document.write( "= [(a+1)^2/3] divided by [(a+1)(a-1)/a]
\n" ); document.write( "(Using formula a^2 +2ab +b^2 = (a+b)^2 and here a=a and b=1
\n" ); document.write( "and formula m^2-n^2 = (m+n)(m-n) where m= a and n= 1)
\n" ); document.write( "= [(a+1)^2/3] multiplied by [a/(a+1)(a-1)]
\n" ); document.write( "= [(a+1)^2 X a]/[3(a+1)(a-1)] (multplying nr by nr and dr by dr)
\n" ); document.write( "=a(a+1)/3(a-1) (cacelling (a+1) )
\n" ); document.write( "Answer: a^2+2a+1/3 divided by a^2-1/a
\n" ); document.write( "=a(a+1)/3(a-1) \r
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