A ray of light begins at the point x = -2 m, y = 2 m, strikes

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A ray of light begins at the point x = -2 m, y = 2 m, strikes a mirror in the xz plane at some point x, and reflects through the point x = 2 m, y = 6 m.

(a) Find the value of x that makes the total distance traveled by the ray a minimum.

(b) What is the angle of incidence on the reflecting plane? What is the angle of reflection?


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