The diagonal of the rectangle formed by the lines `x^2-7x +6= 0` and `y^2-14y +40= 0` is

A diagonal of the rectangle formed by the lines x^(2)-7x+6=0 and y^(2)-14y+40=0 is

A diagonal of the rectangle formed by the lines x^2-4x+3=0 and y^2-6y+8=0 is given by

Centre of the circle inscribed in a rectangle formed by the lines x^2 - 8x+12 = 0 and y^2 - 14y +40=0 is

Centre of the circle inscribed in a rectangle formed by the lines x^(2)-8x+12=0 and y^(2)-14y+40=0 is

Centre of the circle circumscribed in a rectangle formed by the lines x^(2)-8x+12=0 and y^(2)-14y+40=0 is

The orthocentre of the triangle formed by the lines x - 7y + 6 = 0, 2x - 5y - 6 = 0 and 7x + y - 8 = 0 is

The orthocentre of the triangle formed by the lines x-7y+6=0,2x-5y-6=0 and 7x+y-8=0 is

The area of rectangle formed by the pair of lines xy-x-2y+2=0 and xy-3x+2y-6=0 is

The area of rectangle formed by the pair of lines xy+x+y+1=0 and xy+3x+2y+6=0 is

The centre of circle inscribed is square formed by lines x^2-8x+12=0 and y^2-14y+45=0 is