normals

how to know abt no. of normals to conic

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1
navyasri veluri ·

u can identify it by considering te pts
that is s11
for a parabola
if it is greater than 0 thenthe normals will be 2
if it is less than 0 it will be 3 like that
imlarly for ellipse and hyperbola

or u have a formula but only for parabola

if H=2a-x1/3a G=-y1/a and Δ =G^2+4H^3

THEN FOR Δ>0 normals=1
Δ=0 normals=2
Δ<0 normals=3

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