Question 26681
square root of 3/7 is just {{{sqrt(3/7)}}}. What you could do is rationalise the denominator...


{{{sqrt(3)/sqrt(7)}}}
{{{ (sqrt(3)/sqrt(7))*((sqrt(7))/(sqrt(7)))}}}
{{{ (sqrt(3)sqrt(7))/(sqrt(7)sqrt(7))}}}
{{{ sqrt(3*7)/7}}}
{{{ sqrt(21)/7}}}


jon.