please tell the equation of tangents to a parabola .........
CLASSIC EXPERT , 12 Years ago
Grade 12
Analytical Geometry> tangent of parabola...
1 Answers
Vinayak Gupta
Last Activity: 12 Years ago
The equations are :
gradient form : y = mx + a/m where the point of contact is (a/m2,2a/m).
parametric form: ty = x + at2 where t=1/m.
cartesian form: yy1 = 2a(x+x1) where x1y1 is the point of contact.
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