Compare. `sqrt13/sqrt8 ,sqrt7/sqrt5`​

(sqrt7-sqrt5)/(sqrt7+sqrt5)

sqrt(3)/(sqrt5+sqrt2-sqrt7)=

Comparison of ratios (sqrt(13))/(sqrt(8)),(sqrt(17))/(sqrt(15))

sqrt7 - 3/5 sqrt7 + 2sqrt7

1/(sqrt7+sqrt6-sqrt13)=

What value will be obtained on simplifying (1)/(sqrt6+sqrt5)+(1)/(sqrt9+sqrt8)+(1)/(sqrt7+sqrt6)+(1)/(sqrt8+sqrt7)+sqrt5?

The simplest value of (1/(sqrt9-sqrt8)-1/(sqrt8-sqrt7)+1/(sqrt7-sqrt6)-1/(sqrt6-sqrt5))

Find the value of the "determinant" |{:(sqrt13+sqrt3,2sqrt5,sqrt5),(sqrt26+sqrt15,5,sqrt10),(sqrt65+3,sqrt15,5):}|

Which is the greatest among (sqrt(19)-sqrt(17)),(sqrt(13)-sqrt(11)),(sqrt(7)-sqrt(5)) and (sqrt(5)-sqrt(3))?

Which is the greatest among (sqrt(19)-sqrt(17)),(sqrt(13)-sqrt(11)),(sqrt(7)-sqrt(5)) and (sqrt(5)-sqrt(3))?