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Grade 12Analytical Geometry

What is the general equation of tangent to parabola?

Profile image of Manish
12 Years agoGrade 12
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1 Answer

Profile image of bharat bajaj
12 Years ago
Say, the general equation of parabola is : y^2 = 4ax
Then , the equation of tangent to the parabola at (x1,y1) is :
y.y1 = 2a(x+x1)
Thanks
Bharat Bajaj
IIT Delhi
askiitians faculty