A ray emanating from the point \( (-4,0) \) is incident on the ellipse \( 9 x^{2}+25 y^{2}=225 \...

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A ray emanating from the point \( (-4,0) \) is incident on the ellipse \( 9 x^{2}+25 y^{2}=225 \) at the point \( P \) with abscissa 3 . Find the equation of the reflected ray after first reflection.
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