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  2. Quintic function - Wikipedia

    en.wikipedia.org/wiki/Quintic_function

    Solving quintic equations in terms of radicals (nth roots) was a major problem in algebra from the 16th century, when cubic and quartic equations were solved, until the first half of the 19th century, when the impossibility of such a general solution was proved with the Abel–Ruffini theorem.

  3. List of theorems - Wikipedia

    en.wikipedia.org/wiki/List_of_theorems

    Fuchs's theorem (differential equations) Fuglede's theorem (functional analysis) Full employment theorem (theoretical computer science) Fulton–Hansen connectedness theorem (algebraic geometry) Fundamental theorem of algebra (complex analysis) Fundamental theorem of arbitrage-free pricing (financial mathematics)

  4. List of equations - Wikipedia

    en.wikipedia.org/wiki/List_of_equations

    2.1 Mathematics. 2.2 Physics. 2.3 ... 2.4 Telecommunications engineering. 3 Lists of equations. 4 See also. Toggle the table of contents. List of equations ...

  5. FOIL method - Wikipedia

    en.wikipedia.org/wiki/FOIL_method

    The word FOIL is an acronym for the four terms of the product: First ("first" terms of each binomial are multiplied together) Outer ("outside" terms are multiplied—that is, the first term of the first binomial and the second term of the second) Inner ("inside" terms are multiplied—second term of the first binomial and first term of the second)

  6. Cubic equation - Wikipedia

    en.wikipedia.org/wiki/Cubic_equation

    However, he gave one example of a cubic equation: x 3 + 12x = 6x 2 + 35. [16] In the 12th century, another Persian mathematician, Sharaf al-Dīn al-Tūsī (1135–1213), wrote the Al-Muʿādalāt ( Treatise on Equations ), which dealt with eight types of cubic equations with positive solutions and five types of cubic equations which may not ...

  7. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    Quizlet was founded in October 2005 by Andrew Sutherland, who at the time was a 15-year old student, [2] and released to the public in January 2007. [3] Quizlet's primary products include digital flash cards , matching games , practice electronic assessments , and live quizzes.

  8. Equation - Wikipedia

    en.wikipedia.org/wiki/Equation

    An example of linear Diophantine equation is ax + by = c where a, b, and c are constants. An exponential Diophantine equation is one for which exponents of the terms of the equation can be unknowns. Diophantine problems have fewer equations than unknown variables and involve finding integers that work correctly for all equations.

  9. Cross-multiplication - Wikipedia

    en.wikipedia.org/wiki/Cross-multiplication

    In mathematics, specifically in elementary arithmetic and elementary algebra, given an equation between two fractions or rational expressions, one can cross-multiply to simplify the equation or determine the value of a variable.