Question 308773
I assume you mean like this,
{{{ (sqrt( r )-sqrt( s)) / (sqrt(r)+sqrt(s)) }}}
If so then,
I assume you mean like this,
{{{ (sqrt( r )-sqrt( s)) / (sqrt(r)+sqrt(s)) = (sqrt( r )-sqrt( s)) / (sqrt(r)+sqrt(s))*(sqrt( r )-sqrt( s))/(sqrt( r )-sqrt( s))}}}
{{{ (sqrt( r )-sqrt( s)) / (sqrt(r)+sqrt(s)) = (r-sqrt(rs)-sqrt(rs)+s)/(r-sqrt(rs)+sqrt(rs)-s)}}}
{{{ (sqrt( r )-sqrt( s)) / (sqrt(r)+sqrt(s)) = (r-2sqrt(rs)+s)/(r-s)}}}