In mathematics, a root (or zero) of function f
is a value of x
where f(x) = 0
.
For example, the function f(x) = x^2 - 4
has two roots: x=2
and x=-2
.
For more information, see Wikipedia.
For some applications (for polynomials), see https://math.stackexchange.com/questions/83837/what-is-a-real-world-application-of-polynomial-factoring