Do you want to know how to find the maximum or minimum of a ratio of quadratics without using calculus? Then see the latest paper by Dr. Cartwright, Finding Extrema of Rational Quadratics without Calculus. |

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## Dr. Cartwright's Latest Publicationposted Mar 4, 2016, 3:31 AM by smpt cob [ updated Mar 4, 2016, 3:36 AM ] |