Question 811120
<pre>{{{(sqrt(2)/2-1)/(sqrt(2)/2+1)}}} {{{""=""}}} {{{(sqrt(2)/2-1/1)/(sqrt(2)/2+1/1)}}} {{{""=""}}} {{{((  sqrt(2)/2-1/1  )(  sqrt(2)/2-1/1  ))/((  sqrt(2)/2+1/1  )(  sqrt(2)/2-1/1  ))}}} {{{"="}}} {{{( 2/4 - sqrt(2)/2 - sqrt(2)/2 + 1/1)/( 2/4 - sqrt(2)/2 + sqrt(2)/2 + 1/1)}}} {{{"="}}}
 

{{{( 1/2 - 2sqrt(2)/2 + 1/1)/( 1/2 - 1/1)}}} {{{""=""}}} {{{(2( 1/2 - 2sqrt(2)/2 + 1/1))/(2( 1/2 - 1/1))}}} {{{""=""}}} {{{(1-2sqrt(2)+2)/(1-2)}}} {{{""=""}}} {{{(3-2sqrt(2))/(-1)}}} {{{""=""}}} {{{-3+2sqrt(2)}}}

Edwin</pre>