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Two approaches of studying singularity of projective conics. (English)
Int. J. Math. Educ. Sci. Technol. 41, No. 5, 699-706 (2010).
Summary: The singularity of a projective conic can be determined via the associated matrix to the implicit equation of the projective conic. In this expository article, we will first derive a known result for determining the singularity of a projective conic via the associated matrix. Then we will introduce the concepts of $μ$-basis of the parametric projective conics, and close with the same criteria via $μ$-basis method.
Classification: H75 H65 G75
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