document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=253003>Question 253003</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Which of the following is equal to   ( 1/a + a )^2  - ( 1/a – a )^2 ?\r<BR>\n" );
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document.write( "a 0   b  4    c  1/a^2 - a^2    d  2/a^2 - 2a^2    e 1/a^2 - 4 - a^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #185201 by </B><A HREF=/tutors/aboutme.mpl?userid=palanisamy><B>palanisamy(496)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=palanisamy><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=185201\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ( 1/a + a )^2 = (1/a)2+a^2+2*(1/a)*a<BR>\n" );
document.write( "(1/a + a )^2  = (1/a)2+a^2+2   ...(1)<BR>\n" );
document.write( "Next,<BR>\n" );
document.write( "( 1/a – a )^2 = (1/a)2+a^2-2*(1/a)*a<BR>\n" );
document.write( "( 1/a – a )^2 = (1/a)2+a^2-2   ...(2)<BR>\n" );
document.write( "(1)-(2) =><BR>\n" );
document.write( "( 1/a + a )^2  - ( 1/a – a )^2 = [(1/a)2+a^2+2]-[(1/a)2+a^2-2]<BR>\n" );
document.write( "                               = (1/a)2+a^2+2-(1/a)2-a^2+2<BR>\n" );
document.write( "                               = 4\r<BR>\n" );
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document.write( " </SPAN>\n" );
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