[" 50.If "y+3=m_(1)(x+2)" and "y+3=m_(2)(x+2)" are two tangents "],[" to the parabola "y^(2)=8x" ,then "]

5.If y+3=m_(1)(x+2) and y+3=m_(2)(x+2) are two tangents to the parabola y^(2)=8x, then

If y+b=m_(1)(x+a) and y+b=m_(2)(x+a) are two tangents to the paraabola y^(2)=4ax then

If the line (y-b)=m_(1)(x+a) and (y-b)=m_(2)(x+a) are the tangents to the parabola y^(2)=4ax then

If y+a=m_(1)(x+3a),y+a=m_(2)(x+3a) are two tangents to the parabola y^(2)=4ax , 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 y=m_1x+c and y=m_2x+c are two tangents to the parabola y^2+4a(x+a)=0 , then

If y+3=m_1(x+2) and y+3=m_2(x+2) are two tangents to the parabola y^2=8x , then (a) m_1+m_2=0 (b) m_1.m_2=-1 (c) m_1+m_2=1 (d) none of these

If y+3=m_1(x+2) and y+3=m_2(x+2) are two tangents to the parabola y_2=8x , then (a) m_1+m_2=0 (b) m_1+m_2=-1 (c) m_1+m_2=1 (d) none of these