Quadratic integer
= Quadratic integer
{wiki=Quadratic_integer}
A quadratic integer is a type of algebraic integer that is a root of a monic polynomial of degree two with integer coefficients. In simpler terms, a quadratic integer can be expressed in the form \\( a + b\\sqrt\{d\} \\), where \\( a \\) and \\( b \\) are integers, and \\( d \\) is a square-free integer (i.e., \\( d \\) is not divisible by the square of any prime).