indefinite integral

1. The set of all functions whose derivative is a given function; the set of all antiderivatives of a given function.

   the set of functions F(x) + C, where C is any real number, such that F(x) is the integral of f(x)

2. A function whose derivative is a given function; an antiderivative.

   unbestimmtes Integral

   неопределённый интегра́лneopredeljónnyj intɛgrál

правильне