👉 In mathematics, a limit is the value that a function or sequence approaches as closely as possible. It is one of the fundamental concepts in calculus and analysis. A limit can be defined for any real number x, including complex numbers and transcendental functions. In some cases, it can also refer to the limit of sequences or series (sequences approaching a fixed point, sums approaching a fixed value, etc.). For example, if we have a function f(x) = 3x^2 -