What is the set of points (x,y) satisfying the equations `x^(2) + y^(2) = 4 and x+ y =2 `?

Describe the locus of the point (x, y) satisfying the equation x-y=0

Describe the locus of the point (x, y) satisfying the equation x-y=0

If point (x,y) satisfy the relation x^2+4y^2-4x+3=0 then

The number of points (x.y) satisfying 3y+4x=20 and x^(2)+y^(2)<16

Describe the locus of the point (x, y) satisfying the equation (x-2)^2 + (y-3)^2 =25

Describe the locus of the point (x, y) satisfying the equation (x-2)^2 + (y-3)^2 =25

The locus of a point P(x, y) satisfying the equation sqrt((x -2)^(2) + y^(2)) + sqrt( (x + 2)^(2) + y^(2)) = 4 , is

The number of points (x,y) satisfying y=2 sinx and y=x^2+2 is

The number of pairs (x,y) which will satisfy the equation x^(2)-xy+y^(2)=4(x+y-4) is