If the lines `3x-5y+9=0,4x+ky-28=0` and `13x-8y-1=0` are concurrent,then the value of `k` is ........

If the lines x-y-1=0, 4x+3y=k and 2x-3y+1=0 are concurrent, then k is

Prove that the lies 3x+y-14=0,x-2y=0 nad 3x-8y+4=0 are concurrent.

If the lines 2x^(2)-5xy+3y^(2)+8x-9y+6=0 and kx-y-5=0 are concurrent, then k=

If the lines x+ 3y -9=0 , 4x+ by -2 =0, and 2x -4 =0 are concurrent, then the equation of the lines passing through the point (b,0) and concurrent with the given lines, is

If the straight lines 3x+4y+2=0,2x-y+3=0 and 2x+ay-6=0 are concurrent,then a=

If the lines x +3y -9 = 0, 4x + by -2 = 0 and 2x -y -4 = 0 are concurrent , the b is equal to

If the lines 3x^(2)-4xy+y^(2)+8x-2y-3=0 and 2x-3y+lambda=0 are concurrent,then the value of lambda is

Show that the lines 3x-4y+5=0,7x-8y+5=0 and 4x+5y=45 are concurrent.