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Problem
Problem
If
(
a
,
b
)
(a, b)
(
a
,
b
)
is the mid-point of chord passing through the vertex of the parabola
y
2
=
4
x
y^2 = 4x
y
2
=
4
x
, then a.
a
=
2
b
a = 2b
a
=
2
b
b.
2
a
=
b
2a = b
2
a
=
b
c.
a
2
=
2
b
a^2 = 2b
a
2
=
2
b
d.
2
a
=
b
2
2a = b^2
2
a
=
b
2
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