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Pencils of planes and spheres in problem solving. (English)
Acta Math. Nitriensia 1, No. 1, 57-62 (2015).
Summary: In the present paper we present some facts in the theory of a pencil of planes and spheres which can be defined as a linear combination of their equations. In addition, we discuss possible approach how to use the pencils of planes or pencil of spheres in solving some problems in the analytic geometry.
Classification: G44 D44
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