Find the circumcentre of the triangle whose sides are `3 x-y+3 =0,3x +4y +3=0 and x+3y+11=0`.

What will be the circumcentre of a triangle whose sides are 3x - y + 3 = 0, 3x + 4y + 3 = 0 and x + 3y + 11 = 0?

Find the circumcentre of the triangle whose sides are 3x-y-5=0, x+2y-4=0 and 5x+3y+1=0 .

Find the circumcentre of the triangle whose sides are given by x+y=0, 2x+y+5=0 and x-y=0

Find the circumcentre of the triangle whose sides are given by x+y+2=0, 5x-y-2=0 and x-2y+5=0 .