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Problem
Problem
Show that normal to the parabola
y
2
=
8
x
y^2 = 8x
y
2
=
8
x
at the point
(
2
,
4
)
(2, 4)
(
2
,
4
)
meets it again at
(
18
,
−
12
)
(18, -12)
(
18
,
−
12
)
. Find also the length of the normal chord.
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