Given three straight lines 2x+11y-5=0, 24x+7y-20 = 0, and 4x-3y-2=0. Then,

Given three straight lines 2x+11 y-5=0,24 x+7y-20=0, and 4x-3y-2=0 . Then, they form a triangle one line bisects the angle between the other two two of them are parallel

Find the value of a for which the straight lines x+y-4=0,3x+2=0 and x-y+3a=0 are concurrent.

If the straight lines 2x+3y-1=0,x+2y-1=0 ,and a x+b y-1=0 form a triangle with the origin as orthocentre, then (a , b) is given by (a) (6,4) (b) (-3,3) (c) (-8,8) (d) (0,7)

Show that the pairs of straight lines 2x^2+6x y+y^2=0 and 4x^2+18 x y+y^2=0 have the same set of angular bisector.

The value of k if the straight lines 3x + 6y + 7 = 0 and 2x + ky = 5 are perpendicular is ……………………

The straight lines 3x+y-4=0,x+3y-4=0 and x+y-4=0 form a triangle which is :

Show that the straight line x-2y+3=0 and 6x+3y+8=0 are perpendicular .

The line 2x+3y=5 , 2x+y=k , 2x-y-1=0