indefinite integral
Noun
Meaning
the set of functions F(x) + C, where C is any real number, such that F(x) is the integral of f(x)
Source: WordNetHypernyms
Related terms
Examples
The indefinite integral, or antiderivative, is written: : Functions differing by only a constant have the same derivative, and it can be shown that the antiderivative of a given function is actually a family of functions differing only by a constant.
Some authors define the indefinite integral of a function as the set of its infinitely many possible antiderivatives.
When the word integral is used without additional specification, the reader is supposed to deduce from the context whether it is referred to a definite or indefinite integral.