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  2. Cube root - Wikipedia

    en.wikipedia.org/wiki/Cube_root

    Cube root. In mathematics, a cube root of a number x is a number y such that y3 = x. All nonzero real numbers have exactly one real cube root and a pair of complex conjugate cube roots, and all nonzero complex numbers have three distinct complex cube roots. For example, the real cube root of 8, denoted , is 2, because 23 = 8, while the other ...

  3. nth root - Wikipedia

    en.wikipedia.org/wiki/Nth_root

    In mathematics, taking the nth root is an operation involving two numbers, the radicand and the index or degree. Taking the nth root is written as , where x is the radicand and n is the index (also sometimes called the degree). This is pronounced as "the nth root of x". The definition then of an nth root of a number x is a number r (the root ...

  4. Cubic function - Wikipedia

    en.wikipedia.org/wiki/Cubic_function

    Here the function is f(x) = (x3 + 3x2 βˆ’ 6x βˆ’ 8)/4. In mathematics, a cubic function is a function of the form that is, a polynomial function of degree three. In many texts, the coefficients a, b, c, and d are supposed to be real numbers, and the function is considered as a real function that maps real numbers to real numbers or as a complex ...

  5. Complex conjugate root theorem - Wikipedia

    en.wikipedia.org/wiki/Complex_conjugate_root_theorem

    Complex conjugate root theorem. In mathematics, the complex conjugate root theorem states that if P is a polynomial in one variable with real coefficients, and a + bi is a root of P with a and b real numbers, then its complex conjugate a βˆ’ bi is also a root of P. [1] It follows from this (and the fundamental theorem of algebra) that, if the ...

  6. Twelfth root of two - Wikipedia

    en.wikipedia.org/wiki/Twelfth_root_of_two

    The twelfth root of two to 20 significant figures is 1.059 463 094 359 295 2646. Fraction approximations in increasing order of accuracy include 18 / 17, 89 / 84, 196 / 185, 1657 / 1564, and 18904 / 17843. As of December 2013, its numerical value has been computed to at least twenty billion decimal digits. The equal-tempered chromatic scale

  7. Heaviside cover-up method - Wikipedia

    en.wikipedia.org/wiki/Heaviside_cover-up_method

    Method. Separation of a fractional algebraic expression into partial fractions is the reverse of the process of combining fractions by converting each fraction to the lowest common denominator (LCD) and adding the numerators. This separation can be accomplished by the Heaviside cover-up method, another method for determining the coefficients of ...

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