If \( m_{1}, m_{2} \) are slopes of the two tangents that are drawn...

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If \( m_{1}, m_{2} \) are slopes of the two tangents that are drawn from \( (2,3) \) to the parabola \( y^{2}=4 x \), then the value \( \frac{1}{m_{1}}+\frac{1}{m_{2}} \) is
\( \mathrm{P} \)
W
(a) -3
(b) 3
(c) \( \frac{2}{3} \)
(d) \( \frac{3}{2} \)
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