Question 77912
{{{((6-sqrt(20))/2)}}}
{{{((6-sqrt(4*5))/2)}}}
{{{((6-2sqrt(5))/2)}}}
{{{(  (2)(3-1sqrt(5))/2   )}}}
{{{(  (3-1sqrt(5))   )}}}
{{{(  (3-sqrt(5))   )}}}