Question 439261
{{{7/sqrt(8)}}}
{{{7/sqrt(8) * sqrt(8)/sqrt(8)}}}
{{{7*sqrt(8)/8}}}
{{{7*sqrt(2*2*2)/8}}}
{{{7*2*sqrt(2)/8}}}
{{{14*sqrt(2)/8}}}
{{{7*sqrt(2)/4}}}