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Problem
Problem
If
m
1
,
m
2
m_1, m_2
m
1
,
m
2
are slopes of the two tangents that are drawn from
(
2
,
3
)
(2, 3)
(
2
,
3
)
to the parabola
y
2
=
4
x
y^2 = 4x
y
2
=
4
x
, then the value of
1
m
1
+
1
m
2
\frac{1}{m_1} + \frac{1}{m_2}
m
1
1
+
m
2
1
is a.
−
3
-3
−
3
b.
3
3
3
c.
2
3
\frac{2}{3}
3
2
d.
3
2
\frac{3}{2}
2
3
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