[24.],[" are concurrent,then a,"b,c" are in."]

If the lines x+2ay+a=0,x+3by+b=0 and x+4cy+c=0 are concurrent then a,b,c are in

If the lines x+2ay+a=0, x+3by+b=0 and x+4cy+c=0 are concurrent, then a, b, c are in:

If the lines x+2ay+a=0, x+3by+b=0, x+4cy+c=0 are concurrent, then a, b, c are in

If the lines x+2ay+a=0, x+3by+b=0 and x+4cy+c=0 are concurrent, then a, b, c are in :

If the lines x+2ay+a=0, x+3by+b=0, x+4cy+c=0 are concurrent, then a,b and c are in

For a ne b ne c if the lines x + 2ay + a = 0 , x + 3by + b = 0 and x + 4cy + c = 0 ar concurrent , then a , b, c are in

The chord of contact of tangents from 3 points A, B, C to the circle x^(2) + y^(2) =4 are concurrent, then the points A, B and C are:

If a,b,c are the sides of Delta ABC and the lines ax+by+c=0, bx+cy+a=0, cx+ay+b=0 are concurrent, then Delta ABC is