Suppose the lines `x-2y +1=0`, mx+y+3=0` meet the coordinate axes in concyclic points then

If the lines x-2y+3=0,3x+ky+7=0 cut the coordinate axes in concyclic points, then k=

If the lines x-2y+3=0, 3x+ky+7=0 cut the coordinate axes in concylic points, then k=

If the lines x-2y+3=0, 3x+ky+7=0 cut the coordinate axes in concylic points, then k=

If the lines 2x-3y+7=0, 3x+ky+5=0 cut the coordinate axes in concyclic points then k=

If the lines 2x-3y+7=0, 3x+ky+5=0 cut the coordinate axes in concyclie points then k=

If the lines 2x-y+11=0, x-2y+3=0 intersect the coordinate axes in four concyclic points the centre of the circle passing through these four points is

If the lines 2x+3y-1=0 and kx-y+4=0 intersect the coordinate axes in concyclic points then k-1=

The lines 2x-5y+1=0 and 10x-4y-3=0 meets the coordinate axes in concylic points, then equation to the circle is

If the line 2x+3y+1=0, 3x+2y-1=0 intersect the coordinate axes in fourc concyclic points then the equation of the circle passing through these four points is