The pair of straight lines joining the origin to the points of intersection of the line `y=2sqrt(2x)+c` and the circle `x^2+y^2=2`1 are at right angles , if

If the lines joining the origin to the points of intersection of the line y=mx+2 and the curve x^(2)+y^(2)=1 are at right-angles, then

If the lines joining the origin to the points of intersection of the line y =mx +2 and the curve x^(2)+y^(2)=1 are right angles then

If the lines joining the origin to the points of intersection of the line y=mx+2 and the curve x^(2)+y^(2)=1 are at right-angles, then

The lines joining the origin to the points of intersection of the line 4x+3y=24 with the circle (x-3)^(2)+(y-4)^(2)=25 are

The lines joining the origin to the points of intersection of the line 4x+3y=24 with the circle (x-3)^(2)+(y-4)^(2)=25 are

The value of c^(2) for which the lines joining the origin to the points of intersection of the line y=sqrt(3)x+c and the circle x^(2)+y^(2)=2 are perpendicular to each other is