Let `xa n dy` be two real variable such that `x >0a n dx y=1` . Find the minimum value of `x+y` .

If two variable x and y are such that x>0 and xy=1, find the minimum value of x+y

x and y be two variables such that xgt0 and xy=1 . Then the minimum value of x+y is

Let x and y be two positive real numbers such that x + y = 1. Then the minimum value of 1/x+1/y is-

Let x and y be two positive real numbers such that x+y= 1 . Then the minimum value of (1)/(x) + (1)/(y) is

Let x , y be two variables and x >0, x y=1 , then minimum value of x+y is (a) 1 (b) 2 (c) 2 1/2 (d) 3 1/3

Let a , b ,xa n dy be real numbers such that a-b=1a n dy!=0. If the complex number z=x+i y satisfies I m((a z+b)/(z+1))=y , then which of the following is (are) possible value9s) of x? (a)-1-sqrt(1-y^2) (b) 1+sqrt(1+y^2) (c)-1+sqrt(1-y^2) (d) -1-sqrt(1+y^2)

Let x_(0), y_(0) be fixed real numbers such that x_(0)^(2)+y_(0)^(2)gt1 . If x, y are arbitrary real numbers such that x^(2)+y^(2)le1 , then the minimum value of (x-x_(0))^(2)+(y-y_(0))^(2) is

Let x, y be positive real numbers and m, n be positive integers, The maximum value of the expression (x^(m)y^(n))/((1+x^(2m))(1+y^(2n))) is

For simultaneous equations in variables x and y, if D_x = -14, D_y =7 and D = -35, then find the values of x and y.

Let f(x ,y)=x y^2 if xa n dy satisfy x^2+y^2=9 then the minimum value of f(x ,y) is 0 (2) -3sqrt(3) -6sqrt(3) (4) -3sqrt(6)