Find the lines whose combined equation is `6x^2+5x y-4y^2+7x+13 y-3=0`

Find the equation of component lines whose combined equation is 6x^(2)+5xy-4y^(2)+7x+13y-3=0 without solving for xor y.

If theta is the angle between the lines given by the equation 6x^2+5x y-4y^2+7x+13 y-3=0 , then find the equation of the line passing through the point of intersection of these lines and making an angle theta with the positive x-axis.

Find acute and obtuse angle between companent lines whose combined equation is 2x^(2)+5xy+3y^(2)+6x+7y+4=0 .

Find the point of intersection of the pair of straight lines represented by the equation 6x^2+5x y-21 y^2+13 x+38 y-5=0.

Find the combined equation of the line x+2y=5 and 2x-y=1 .

Find the joint equation of the pair of lines which pass through the origin and are perpendicular to the lines represented the equation y^2+3x y-6x+5y-14=0

Find the combined equation of the straight lines whose separate equations are x-2y-3=0 and x+y+5=0

Find the combined equation of the straight lines whose separate equations are x-2y-3=0 and x+y+5=0.

Find the equation of the line through the intersection of lines 3x+2y-5=0and 4x-y-3=0and is parallel to 3x+y+2=0 is perpendicular to the line 7x+3y-4=0