négyzetgyököt

The Hungarian term "négyzetgyökét" translates to "its square root" in English. It refers to the operation of finding a number that, when multiplied by itself, results in a given number. For example, the square root of 9 is 3 because 3 multiplied by 3 equals 9. Similarly, the square root of 16 is 4 because 4 multiplied by 4 equals 16.

In mathematics, the square root operation is commonly denoted by the radical symbol, √. So, the square root of x is written as √x. Every positive number has two square roots: a positive one (the principal square root) and a negative one. For instance, the square roots of 9 are +3 and -3, as both 3 * 3 and (-3) * (-3) equal 9. However, when the term "the square root" is used without further specification, it usually refers to the principal (positive) square root.

The concept of square roots is fundamental in algebra, geometry, and various branches of science and engineering. It is used in calculating distances, solving quadratic equations, and understanding geometric shapes like squares and rectangles. The square root of a negative number is not a real number; it is an imaginary number, denoted by 'i', where i² = -1.