" i) "3x^(2)+10xy+3y^(2)+16y+k=0

Find k, if each of the following equation represents a pair of lines : (1) 3x^(2) + 10xy + 3y^(2) + 16y + k = 0 (2) kxy + 10x + 6y + 4 = 0.

Find the angle between the lines 3x^(2)-10xy-3y^(2)=0 :

The figure formed by the pairs of lines 3x^(2)+10xy+3y^(2)=0 and 3x^(2)+10xy+3y^(2)-4x4y-4=0 is a

Assertion (A) , The lines representant by 3x^(2)+10xy+3y^(2)-16x-16y+16=0 and x+y=2 do not form a triangle Reason (R) : the above the three lines concurrent at (1,1)

The point of intersection of lines given by the equation 3x^(2)+10xy+3y^(2)-15x-21y+18=0 is

The point of intersection of lines gives by the equation 3x^(2)+10xy+3y^(2)-15x-21y+18=0 is

The figure formed by the pairs of lines 3x^(2)+10xy+3y^(2)=0 and 3x^(2)+10xy+3y^(2)-28x-28y+49=0 is a

The figure formed by the four lines 3x^(2)+10xy+3y^(2)=0 and 3x^(2)+10xy+3y^(2)-28x-28y+49=0