Question

A ray of light passing through the point A(1, 2) is reflected at a point B on the x-axis and then passes through (5, 3). Then the equation of AB is

• A. 5x + 4y = 13
• B. 5x – 4y = – 3
• C. 4x + 5y = 14
• D. 4x – 5y = – 6

Answer 1

Answer: (A)

5x + 4y = 13

Answer 2

Find image of point P(5, 3) as P¢ (5, – 3)

Now find equation of AP¢