" Find the value of "sqrt(20+sqrt(20+sqrt(20)+cdots))

Find the value of sqrt(20+48i)

Evaluate sqrt(20+sqrt(20+sqrt(20)))

8sqrt(5)+sqrt(20)-sqrt(125)

If sqrt(45)+sqrt(20)=11.180 find the value of sqrt(180)+4 sqrt(5) .

If sqrt(5)=2.236 and sqrt(10)=3.162 , then the value of (15)/(sqrt(10)+sqrt(20)+sqrt(40)-sqrt(5)-sqrt(80)) is