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  2. Complex number - Wikipedia

    en.wikipedia.org/wiki/Complex_number

    A complex number can also be defined by its geometric polar coordinates: the radius is called the absolute value of the complex number, while the angle from the positive real axis is called the argument of the complex number. The complex numbers of absolute value one form the unit circle.

  3. Eisenstein integer - Wikipedia

    en.wikipedia.org/wiki/Eisenstein_integer

    A fundamental domain for the ideal Z[ω]β = Zβ + Zωβ, acting by translations on the complex plane, is the 60°–120° rhombus with vertices 0, β, ωβ, β + ωβ. Any Eisenstein integer α lies inside one of the translates of this parallelogram, and the quotient κ is one of its vertices.

  4. Joint Entrance Examination - Wikipedia

    en.wikipedia.org/wiki/Joint_Entrance_Examination

    In 2021, 2022, and 2023, it was conducted by IIT Kharagpur, IIT Bombay and IIT Guwahati respectively. The top 250,000 students of JEE Main qualify to appear for the JEE-Advanced examination. In 2018, 224,000 students appeared to take the JEE-Advanced, [9] a number that had gone up from 220,000 in 2017 and 200,000 in 2016. [10]

  5. Imaginary unit - Wikipedia

    en.wikipedia.org/wiki/Imaginary_unit

    The imaginary unit or unit imaginary number (i) is a mathematical constant that is a solution to the quadratic equation x 2 + 1 = 0. Although there is no real number with this property, i can be used to extend the real numbers to what are called complex numbers, using addition and multiplication. A simple example of the use of i in a complex ...

  6. Gaussian integer - Wikipedia

    en.wikipedia.org/wiki/Gaussian_integer

    The Gaussian integers are the set [1] [] = {+,}, =In other words, a Gaussian integer is a complex number such that its real and imaginary parts are both integers.Since the Gaussian integers are closed under addition and multiplication, they form a commutative ring, which is a subring of the field of complex numbers.

  7. How to retire on less than $1 million and never run out of money

    www.aol.com/finance/retire-less-1-million-never...

    Bottom line. Ultimately, whether you can retire on less than $1 million will largely depend on your spending needs during retirement and your remaining life expectancy.

  8. Split-complex number - Wikipedia

    en.wikipedia.org/wiki/Split-complex_number

    A split-complex number is an ordered pair of real numbers, written in the form z = x + j y {\displaystyle z=x+jy} where x and y are real numbers and the hyperbolic unit [ 1 ] j satisfies

  9. 'Stay off my lawn!': College Football Playoff arguments are ...

    www.aol.com/sports/stay-off-lawn-college...

    No one knows since the games haven’t been played. It’s all hypothetical projections on hypothetical results. That hasn’t stopped the screaming — which is a good sign that this 12-team ...