\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Form the conjugate of the denominator,
, which is
.\r\n" );
document.write( "\r\n" );
document.write( "Place
over itself, like this
.\r\n" );
document.write( "\r\n" );
document.write( "Anything divided by itself is just 1, so
\r\n" );
document.write( "equals 1.\r\n" );
document.write( "\r\n" );
document.write( "When you multiply somthing by 1, it does not change the value.\r\n" );
document.write( "\r\n" );
document.write( "Therefore we can multiply
by
\r\n" );
document.write( "without changing the value. So let's perform \r\n" );
document.write( "that multiplication:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Indicate the multiplication of numerators and \r\n" );
document.write( "denominator, all as one fraction:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Use FOIL to multiply out the numerator and denominators:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Combine the like terms in the top. In the bottom \r\n" );
document.write( "the middle two terms cancel, and we have\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Now we replace both
's by
:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Make two fractions:\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "
\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" );
document.write( "