If x is very large as compare to y, then the value of k in `sqrt(x/(x+y))sqrt(x/(x-y))=1+y^2/(kx^2)`

If x is very large as compare to y,then the value of kin sqrt((x)/(x+y))sqrt((x)/(x-y))=1+(y^(2))/(kx^(2))

If x is very large as compare to y , then prove that sqrt(x/(x+y))dotsqrt(x/(x-y))=1+(y^2)/(2x^2) .

If x is very large as compare to y , then prove that sqrt(x/(x+y))dotsqrt(x/(x-y))=1+(y^2)/(2x^2) .

If x is very large as compare to y , then prove that sqrt(x/(x+y))dotsqrt(x/(x-y))=1+(y^2)/(2x^2) .

If x is very large as compare to y, then prove that sqrt((x)/(x+y))*sqrt((x)/(x-y))=1+(y^(2))/(2x^(2))

If 2^(x + y ) = 2^(x - y ) = sqrt8 then the value of y is

If x,y in R satisfy the equation x^(2)+y^(2)-4x-2y+5=0, then the value of the expression ((sqrt(x)-sqrt(y))^(2)+4sqrt(xy))/((x+sqrt(xy))) is

If x ,y in R satify the equation x^2+y^2-4x-2y+5=0, then the value of the expression [(sqrt(x)-sqrt(y))^2+4sqrt(x y)]//(x+sqrt(x y)) is sqrt(2)+1 b. (sqrt(2)+1)/2 c. (sqrt(2)-1)/2 d. (sqrt(2)+1)/(sqrt(2))