Question 48974
{{{ 3 * sqrt (55) sqrt (15)/ sqrt (63)}}}
{{{ 3 * sqrt (55) sqrt (15) sqrt(63)/ (sqrt (63) * sqrt (63))}}}
{{{ 3 * sqrt (55 * 15 * 63)/ 63}}}
{{{ sqrt (5 * 11 * 3 * 5 * 3 * 7 * 3)/ 21}}}
{{{ 15*sqrt (11 * 7 * 3)/ 21}}}
{{{ 5*sqrt (231)/ 7}}}