document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=252311>Question 252311</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If ac + bd = 19 and ad &#8722;bc = 94 ,<BR>\n" );
document.write( "determine the value of (a^2 + b^2 )( c^2 + d^2 ). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #184146 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=184146\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given,  ac + bd = 19 and ad &#8722;bc = 94 <BR>\n" );
document.write( "Therefore, (ac+bd)^2+(ad-bc)^2 = (19)^2+(94)^2<BR>\n" );
document.write( "           a^2c^2+b^2d^2+2abcd+a^2d^2+b^2c^2-2abcd = 361+8836<BR>\n" );
document.write( "           (a^2+b^2)(c^2+d^2) = 9197         <BR>\n" );
document.write( " </SPAN>\n" );
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