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CGP EDU Academic Team
Published on: August 13, 2026
A ray emanating from the point ( − 4, 0) is incident on the ellipse 9x² + 25y² = 225 at the point P with abscissa 3. Find the equation of the reflected ray after first reflection.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
12 x + 5 y = 48; 12 x − 5 y = 48
Sol. 
= 1 reflected ray thus will be line joining 
& (4, 0)
⇒ y – 0 = 
(x – 4)
5y = – 12x + 48
or line joining the points 
& (4, 0)
y – 0 = 
(x – 4) ⇒ 12x – 5y – 48 = 0
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