Find the equations to the straight lines joining the origin to the points of intersection of `x^(2) + y^(2) - 4x-2y = 4 and x^(2) + y^(2) - 2x - 4y - 4=0`

Statement 1: The equations of the straight lines joining the origin to the points of intersection of x^(2)+y^(2)-4x-2y=4 and x^(2)+y^(2)-2x-4y-4=0 is x-y=0 . Statement 2: y+x=0 is the common chord of x^(2)+y^(2)-4x-2y=4 and x^(2)+y^(2)-2x-4y-4=0

The equation of the straight line joining the origin to the point of intersection of y-x+7=0 and y+2x-2=0 is

Find the angle between the straight lines joining the origin to the point of intersection of 3x^(2)+5xy-3y^(2)+2x+3y=0 and 3x-2y=1

The equation of pair of lines joining origin to the points of intersection of x^(2)+y^(2)=9 and x+y=3

The lines joining the origin to the points of intersection of 2x^(2)+3xy-4x+1=0 and 3x+y=.1 given by