Question 6307
mathematicians do not like surds ({{{sqrt(x)}}}) on the denominator, so {{{sqrt(1/5)}}}...or rather {{{sqrt(1)/sqrt(5)}}} needs to be altered:


{{{1/sqrt(5)}}}
{{{(1/sqrt(5))*((sqrt(5))/(sqrt(5)))}}} --> note the new fraction is really just 1, written oddly.


{{{(sqrt(5)/5))}}}


jon.