document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=121989>Question 121989</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am not sure if I am doing this right. Solve for K.\r<BR>\n" );
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document.write( "   a/b=b/a+1/k<BR>\n" );
document.write( "   (bak) a/b=(bak)b/a+1/k(bak)<BR>\n" );
document.write( "   a^2k=b^2k+ba<BR>\n" );
document.write( "   a^2k-b^2k=ba<BR>\n" );
document.write( "   k(a^2-b^2)=ab<BR>\n" );
document.write( "   k=ab/a^2-b^2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #89564 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=89564\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your method of solving this is correct, and your answer is correct. <BR>\n" );
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document.write( "However, you should write your answer as:<BR>\n" );
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document.write( "k = ab/(a^2 - b^2)<BR>\n" );
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document.write( "The parentheses in the bottom are important, because without them the rules of algebra say<BR>\n" );
document.write( "that the way you wrote the answer (that is, without the parentheses) the answer should be read as:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+%28ab%2Fa%5E2%29+-+b%5E2 ALIGN=MIDDLE  ALT=\"k+=+%28ab%2Fa%5E2%29+-+b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "and this is not what you intended, I'm sure. With the parentheses surrounding all the terms in<BR>\n" );
document.write( "the denominator, the answer is correctly interpreted to be:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k+=+ab%2F%28a%5E2+-+b%5E2%29 ALIGN=MIDDLE  ALT=\"k+=+ab%2F%28a%5E2+-+b%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Just a comment to get you to think about the way a reader could interpret your answer incorrectly.<BR>\n" );
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document.write( "Good job on getting your way through the problem ... You obviously understand what you are<BR>\n" );
document.write( "doing.<BR>\n" );
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document.write( " </SPAN>\n" );
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