`(sqrt(81)+sqrt(729))/(sqrt(225)-sqrt(9))=`

sqrt(1521)+sqrt(225)=?

sqrt(9)/(sqrt(7)+sqrt(2))

The greatest among sqrt(7) - sqrt(5) , sqrt(5) - sqrt(3) , sqrt(9) - sqrt(7) , sqrt(11) - sqrt(9) is

3sqrt(4)+2sqrt(9)+5sqrt(4)-sqrt(1)-4sqrt(9)

sqrt(9) times sqrt(9)=

Find the value of x in the equation ((sqrt(324))/(sqrt(49)))((sqrt(676))/(sqrt(169)))((126)/(sqrt(81)))=x