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Mathematics 11 Online
OpenStudy (anonymous):

26 In a bad reflector y = 2/x, a ray down one special line x =a is reflected horizontally. What is a? This is a question from the MIT Calculus text by Strang, Section 2.2, #26. I say a is 4^1/4. Am I right? Question #25 does a similar problem with a parabola.

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