Find the maximum distance of any point on the curve `x^2+2y^2+2x y=1` from the origin.

Find the maximum distance of any point on the curve x^(2)+2y^(2)+2xy=1 from the origin.

Find the minimum distance of a point on the curve 2/x^2+1/y^2= 1 from the origin.

The minimum distance of a point on the curve y=x^2-4 from origin ,

The minimum distance of a point on the curve y=x^2-4 from origin ,

If the maximum distance of any point on the ellipse x^2+2y^2+2x y=1 from its center is r , then r is equal to

If the maximum distance of any point on the ellipse x^2+2y^2+2x y=1 from its center is r , then r is equal to

If the maximum distance of any point on the ellipse x^2+2y^2+2x y=1 from its center is r , then r is equal to

The minimum distance of a point on the curve y=x^(2)-4 from the origin is :

The minimum distance of a point on the curve y=x^(2)-4 from the origin is