Browsing by Author "Ursu, Boris"

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    Învelișul liniar al unui sistem de vectori [Articol]
    (USARB, 2023) Ursu, Boris; Rotari, Tatiana, conducător şt.
    In this article discusses the concept of linear wrapper, which is a fundamental concept in higher algebra and related to the theory of vector spaces. It defines a linear vector space and introduces the concepts of linear combinations and linear independence of a set of vectors. It then provides examples to demonstrate the application of these concepts in determining the linear dependence of a set of vectors.
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    Tehnici de rezolvare a ecuaţiilor diofantice în clasa a 7-a [Aticol]
    (USARB, 2023) Ursu, Boris; Rotari, Tatiana, conducător şt.
    Analyzing the types of Diophantine equations proposed in the mathematics textbook, the collections of exercises and problems, as well as the tests proposed to 7th grade students in various competitions, the following techniques for solving Diophantine equations can be highlighted: the use of the properties of prime numbers, the method of decomposition into factors, perfect squares highlighting method. [Articol]