Question 33393
{{{ 1/3(sqrt(5)) }}}
To rationalize the denominator, you must multiply the numerator and denominator by rt5
{{{ 1(sqrt(5))/3(sqrt(5))(sqrt(5)) }}}
the rt5 on the bottom becomes just 5
{{{ sqrt(5)/3(5) }}}
Multiply
{{{ sqrt(5)/15 }}}