Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.

# Maths Parabola

If y = m1x + c and y=m2x + c are two tangents to the parabola y2+4a(x+a)=0

then :-

- m1 + m2=0
- 1+m1+m2=0
- m1m2-1 =0
- 1+m1m2=0