Question

Mirror has gradient m, and incoming ray has gradient a we express the gradient of the outgoing ray in terms of a and nm am2 2m -a 1 +2am-m2 Now consider the ellipse (a) Show that the point A (-1/3,4/3) lies on the ellipse. (b) Calculate the gradicnt of the tangent linc to the ellipse at the point A. (c) source of light is placed at F the ray that starts at F and goes to A. (0,1). Calculate the gradient of (d) Calculate the gradicnt of the ray that reflocts off the clliptic mirror

Answer 1

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叻 (C) @it) , (←(4,%)→ b (-17 (14)