" 18.If "x=(5-sqrt(3))/(5+sqrt(3))" and "y=(5+sqrt(3))/(5-sqrt(3))" show that "x-y=-(10sqrt(3))/(11)

If x=(5-sqrt3)/(5+sqrt3) and y=(5+sqrt3)/(5-sqrt3) then show that x-y=-(10sqrt3)/11

If x=sqrt(2),y=(sqrt(3))/(2) and z=(sqrt(5))/(3) ; then show that xgtygtz

If x=sqrt(5)+sqrt(3) and y=sqrt(5)-sqrt(3), then x^(4)-y^(4)

If x=(2)/(sqrt(3)-sqrt(5)) and y=(2)/(sqrt(3)+sqrt(5)) , then x+y = _______ .

If 5-sqrt(3)=x+y sqrt(3) then (x,y) is

If x=(sqrt(5)+sqrt(3))/(sqrt(5)-sqrt(3)) and y=(sqrt(5)-sqrt(3))/(sqrt(5)+sqrt(2)), then x+y+xy=9(b)5(c)17(d)7, then

If x=(sqrt(5)+sqrt(3))/(sqrt(5)-sqrt(3)) and y=(sqrt(5)-sqrt(3))/(sqrt(5)+sqrt(3)), then (x+y) equals (a) 2(sqrt(5)+sqrt(3))( b) 2sqrt(15)(c)8 (d) 16

If x=(sqrt(5)+\ sqrt(3))/(sqrt(5)-\ sqrt(3)) and y=(sqrt(5)-\ sqrt(3))/(sqrt(5)+\ sqrt(3)) , then x+y+x y= (a) 9 (b) 5 (c) 17 (d) 7

If x=((sqrt(5)+sqrt(3))/(sqrt(5)-sqrt(3))) and y=((sqrt(5)-sqrt(3))/(sqrt(5)+sqrt(3))), find the value of (x^(2)+y^(2))