[" Find the value of "],[sqrt(20+sqrt(20+sqrt(36)))]

Find the value of sqrt(20+48i)

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

Find the value of sqrt(-5x^8) - sqrt(-20x^8) + sqrt(-45x^8) , where x is a positive real number.

Find the value of (i) (sqrt(243))/(sqrt (363)). (ii) sqrt 45 xx sqrt20.

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