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  2. Complex conjugate root theorem - Wikipedia

    en.wikipedia.org/wiki/Complex_conjugate_root_theorem

    The non-real factors come in pairs which when multiplied give quadratic polynomials with real coefficients. Since every polynomial with complex coefficients can be factored into 1st-degree factors (that is one way of stating the fundamental theorem of algebra ), it follows that every polynomial with real coefficients can be factored into ...

  3. Formulas for generating Pythagorean triples - Wikipedia

    en.wikipedia.org/wiki/Formulas_for_generating...

    The largest circle (curvature k 4) may also be replaced by a smaller circle with positive curvature ( k 0 = 4pp′ − qq′). EXAMPLE: Using the area and four radii obtained above for primitive triple [44, 117, 125] , we obtain the following integer solutions to Descartes' Equation: k 1 = 143 , k 2 = 99 , k 3 = 26 , k 4 = (−18) , and k 0 = 554 .

  4. Covalent bond - Wikipedia

    en.wikipedia.org/wiki/Covalent_bond

    These electron pairs are known as shared pairs or bonding pairs. The stable balance of attractive and repulsive forces between atoms, when they share electrons , is known as covalent bonding. [ 1 ] For many molecules , the sharing of electrons allows each atom to attain the equivalent of a full valence shell, corresponding to a stable ...

  5. Amicable numbers - Wikipedia

    en.wikipedia.org/wiki/Amicable_numbers

    Although all amicable pairs up to 10,000 are even pairs, the proportion of odd amicable pairs increases steadily towards higher numbers, and presumably there are more of them than of the even amicable pairs (A360054 in OEIS). Gaussian integer amicable pairs exist, [14] [15] e.g. s(8008+3960i) = 4232-8280i and s(4232-8280i) = 8008+3960i. [16]

  6. Ornstein–Zernike equation - Wikipedia

    en.wikipedia.org/wiki/Ornstein–Zernike_equation

    The pair correlation function is related via Fourier transform to the static structure factor, which can be determined experimentally using X-ray diffraction or neutron diffraction. The OZ equation relates the pair correlation function to the direct correlation function. The direct correlation function is only used in connection with the OZ ...

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    The only thing is that I wish it would work on both my wife’s and my phone, but it will only pair with one phone at a time." "I will say, one con is that it has a hard time finding home," noted ...