Hyperbola Eccentricity and Normal (Jee Mains) | ExamDuo
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Hyperbola
Hard
Hyperbola Eccentricity and Normal
Let the eccentricity of the hyperbola
x
2
a
2
−
y
2
b
2
=
1
be
5
4
. If the equation of the normal at the point
(
8
√
5
,
12
5
)
on the hyperbola is
8
√
5
x
+
β
y
=
λ
, then
λ
−
β
is equal to____
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