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  2. Samuel Soal - Wikipedia

    en.wikipedia.org/wiki/Samuel_Soal

    Soal moved to a more statistical and controlled approach, firstly by conducting an experiment in which up to a few hundred persons participated at one time. [5] This involved Soal and a small group of agents enacting a scenario, playing with a certain object, reciting a poem, and so on, which the participants, situated across Great Britain and other countries, were required, at the same time ...

  3. AM–GM inequality - Wikipedia

    en.wikipedia.org/wiki/AM–GM_inequality

    In two dimensions, 2x 1 + 2x 2 is the perimeter of a rectangle with sides of length x 1 and x 2. Similarly, 4 √ x 1 x 2 is the perimeter of a square with the same area, x 1 x 2, as that rectangle. Thus for n = 2 the AM–GM inequality states that a rectangle of a given area has the smallest perimeter if that rectangle is also a square.

  4. Algebraic closure - Wikipedia

    en.wikipedia.org/wiki/Algebraic_closure

    In the same way, an extension K 2 of K 1 can be constructed, etc. The union of all these extensions is the algebraic closure of K , because any polynomial with coefficients in this new field has its coefficients in some K n with sufficiently large n , and then its roots are in K n +1 , and hence in the union itself.

  5. Quadratic equation - Wikipedia

    en.wikipedia.org/wiki/Quadratic_equation

    Figure 1. Plots of quadratic function y = ax 2 + bx + c, varying each coefficient separately while the other coefficients are fixed (at values a = 1, b = 0, c = 0). A quadratic equation whose coefficients are real numbers can have either zero, one, or two distinct real-valued solutions, also called roots.

  6. Surga Yang Tak Dirindukan 2 - Wikipedia

    en.wikipedia.org/wiki/Surga_Yang_Tak_Dirindukan_2

    Surga yang Tak Dirindukan 2 is a religious drama film which is a sequel to the 2015 film Surga Yang Tak Dirindukan, and stars Fedi Nuril, Laudya Cynthia Bella, Raline Shah, Reza Rahadian from the previous film and also Nora Danish. The film was one of the best-selling Indonesian films of 2017.