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Grade 12IIT JEE Entrance Exam

If y=m1x+c and y=m2x+c are two tangents to the parabola y^2+4a(x+a) then a) m1+m2=0. b)m1+m2=-1c) m1m2=1. d)m1m2=-1

Profile image of Nihar raut
9 Years agoGrade 12
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1 Answer

Profile image of Saurabh Koranglekar
7 Years ago
Dear student

Kindly check the equation of the parabolaand revert
In the meanwhile please refer to attached file the condition of tangency

https://www.askiitians.com/iit-jee-coordinate-geometry/tangent-to-a-parabola.aspx#tangent-in-terms-of-m

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