If The Pairs Of Straight Lines ax2 + 2hxy – ay2 = 0 And bx2 + 2gxy – by2 = 0 Be Such That Each Bisects The Angles Between The Other, Then

If  represents two parallel straight lines, then

If  represents two parallel lines, then the distance between them is

The equation of pair of lines joining origin to the points of intersection ofx² + y² = 9 and x + y =3, is

The tangent to the angle between the lines joining the origin to the points of intersection of the line y = 3x + 2 and the curve x² + 2xy + 3y² + 4x + 8y – 11 = 0, is

The angle between the lines joining the origin to the point of intersection of the line  and the circle x² + y² = 4, is 

The straight lines joining the origin to the points of intersection of the linekx + hy = 2hk with the curve (x – h)² + (y – k)² = c² are at right angles, if

If the lines joining the origin to the points of intersection of the line y = mx+ 2 and the curve x² + y² = 1 are at right-angles, then

The equation  represents a The Pair of Straight Lines, if

The equation  represents a The Pair of Straight Lines passing through the origin. The two lines are

If  represents parallel straight lines, then