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  2. Algebraic structure - Wikipedia

    en.wikipedia.org/wiki/Algebraic_structure

    These equations induce equivalence classes on the free algebra; the quotient algebra then has the algebraic structure of a group. Some structures do not form varieties, because either: It is necessary that 0 ≠ 1, 0 being the additive identity element and 1 being a multiplicative identity element, but this is a nonidentity;

  3. Maharashtra State Board of Secondary and Higher Secondary ...

    en.wikipedia.org/wiki/Maharashtra_State_Board_of...

    There are nine divisional boards with the state to represent the state board. Their duties include, but not limited to: [6] Decide the schools/colleges to conduct the final exams. Appoint the paper setters, translators, custodians (of question papers, and blank and filled up answer papers), conductors (transportation), and examiners (paper ...

  4. Vedic Mathematics - Wikipedia

    en.wikipedia.org/wiki/Vedic_Mathematics

    Dinanath Batra had conducted a lengthy campaign for the inclusion of Vedic Maths into the National Council of Educational Research and Training (NCERT) curricula. [26] Subsequently, there was a proposal from NCERT to induct Vedic Maths, along with a number of fringe pseudo-scientific subjects (Vedic Astrology et al.), into the standard academic ...

  5. Elementary algebra - Wikipedia

    en.wikipedia.org/wiki/Elementary_algebra

    In mathematics, a basic algebraic operation is any one of the common operations of elementary algebra, which include addition, subtraction, multiplication, division, raising to a whole number power, and taking roots (fractional power). [6] These operations may be performed on numbers, in which case they are often called arithmetic operations.

  6. Euclid's lemma - Wikipedia

    en.wikipedia.org/wiki/Euclid's_lemma

    The two first subsections, are proofs of the generalized version of Euclid's lemma, namely that: if n divides ab and is coprime with a then it divides b. The original Euclid's lemma follows immediately, since, if n is prime then it divides a or does not divide a in which case it is coprime with a so per the generalized version it divides b.

  7. Textbook - Wikipedia

    en.wikipedia.org/wiki/Textbook

    [40] [41] [42] Their business model [43] was to offer the open textbook free online, [44] [45] and then sell ancillary products that students are likely to buy if prices are reasonable – print copies, study guides, ePub, .Mobi , PDF download, etc. Flat World Knowledge compensates its authors with royalties on these sales. [46]

  8. Algebra of sets - Wikipedia

    en.wikipedia.org/wiki/Algebra_of_sets

    The algebra of sets is the set-theoretic analogue of the algebra of numbers. Just as arithmetic addition and multiplication are associative and commutative, so are set union and intersection; just as the arithmetic relation "less than or equal" is reflexive, antisymmetric and transitive, so is the set relation of "subset".

  9. Linear algebra - Wikipedia

    en.wikipedia.org/wiki/Linear_algebra

    These equations, often complex and non-linear, can be linearized using linear algebra methods, allowing for simpler solutions and analyses. In the field of fluid dynamics, linear algebra finds its application in computational fluid dynamics (CFD), a branch that uses numerical analysis and data structures to solve and analyze problems involving ...

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