If `a_1x+by + c = 0` and `a_2x + by + c =0` are two tangents to the parabola `y^2=8x(x-2a)`, then

If a_(1)x+by+c=0 and a_(2)x+by+c=0 are two tangents to the parabola y^(2)=8a(x-2a), then

If y=m_1x+c and y=m_2x+c are two tangents to the parabola y^2+4a(x+a)=0 , then

If y=m_1x+c and y=m_2x+c are two tangents to the parabola y^2+4a(x+c)=0 , then

If the line ax+by+c=0 is a tangent to the parabola y^(2)-4y-8x+32=0, then :

The number of common tangents to the parabola y^(2)=8x and x^(2)+y^(2)+6x=0 is

a_1x+b_1y+c_1=0" and "a_2x+b_@y+c_2=0 are……..equations.

If a_1x^2 + b_1 x + c_1 = 0 and a_2x^2 + b_2 x + c_2 = 0 has a common root, then the common root is

a_1x+b_1y+c_1=0 and a_2x+b_2y+c_2=0 has no solution if _________.

If the two lines a_1x + b_1y + c_1 = 0 and a_2x + b_2y + c_2 = 0 cut the co-ordinates axes in concyclic points. Prove that a_1a_2 = b_1b_2

If (a_1)/( a_2) =(b_1)/( b_2) = (C_1) /( c_2) where a_1x +b_1y +c_1=0 and a_2x +b_2y +c_2 =0, then the given pair of linear equation has …………… solutions