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Problem
Problem
The equation of a tangent to the parabola
y
2
=
8
x
y^2 = 8x
y
2
=
8
x
is
y
=
x
+
2
y = x + 2
y
=
x
+
2
. The point on this line from which the other tangent to the parabola is perpendicular to the given tangent is a.
(
−
1
,
1
)
(-1, 1)
(
−
1
,
1
)
b.
(
0
,
2
)
(0, 2)
(
0
,
2
)
c.
(
2
,
4
)
(2, 4)
(
2
,
4
)
d.
(
−
2
,
0
)
(-2, 0)
(
−
2
,
0
)
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