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

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

W
(1) 3
(2) -3
(3) \( \frac{2}{3} \)
(4) \( \frac{3}{2} \)
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