Q. find all positive integer x and y satisfying `1/(sqrt(x))+1/(sqrt(y))=1/(sqrt(20))`

Find all positive integers of x and y where equation is 1/sqrt x+1/sqrt y =1/sqrt 20?

Find the last three digits of the sum of all poositive integers x such that sqrt(x+sqrt(1000))=sqrt(a)+sqrt(b). where a and b are positive integers?

find x and y 3/sqrt(x)+1/sqrt(x)=sqrt(x) y^2-(7)^(5/2)/sqrt(y)=0

If x, y, z are distinct positive real numbers is A.P. then (1)/(sqrt(x)+sqrt(y)), (1)/(sqrt(z)+sqrt(x)), (1)/(sqrt(y)+sqrt(z)) are in

If x, y, z are distinct positive real numbers is A.P. then (1)/(sqrt(x)+sqrt(y)), (1)/(sqrt(z)+sqrt(x)), (1)/(sqrt(y)+sqrt(z)) are in

The number of pairs (x,y) of positive integers such that sqrt(x)+sqrt(y)=sqrt(1980)

If the locus of the moving point P(x,y) satisfying sqrt((x-1)^(2)+y^(2))+sqrt((x+1)^(2)+(y-sqrt(12))^(2))=a is an ellipse, then find the values of a.