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Byju's Answer
Standard XII
Mathematics
Length of Subtangent
4he tangents ...
Question
4he tangents at the points (atf, 2at,), (at, 2at,) on the parabola y2 = 4ax are at right angles if11
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Q.
The tangents at the points
(
a
t
2
1
,
2
a
t
1
)
,
(
a
t
2
2
)
,
2
a
t
2
)
on the parabola
y
2
=
4
a
x
are at right angles if
Q.
If the normal to the parabola
y
2
=
4
a
x
at the point
(
a
t
2
,
2
a
t
)
cuts the parabola again at
(
a
T
2
,
2
a
T
)
, then
Q.
Find the equation of tangent to parabola
y
2
=
4
a
x
a
t
(
a
t
2
,
2
a
t
)
Q.
If the normal to the parabola
y
2
=
4
a
x
at the point
P
(
a
t
2
,
2
a
t
)
cuts the parabola again at
Q
(
a
T
2
,
2
a
T
)
, then
Q.
Find the equations of the tangent and normal to the parabola
y
2
=
4
a
x
at the point
(
a
t
2
,
2
a
t
).
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