April 2025
Intermediate to advanced
616 pages
25h 43m
English
Integration is a reverse process of differentiation. The integral or primitive of a function f(x) with respect to x is that function ϕ(x) whose derivative with respect to x is the given function f(x). It is expressed symbolically as,

The process of finding the integral of a function is called Integration and the given function is called Integrand. Now, it is obvious that the operation of integration is inverse operation of differentiation. Hence, integral of a function is also named as anti-derivative of that function.
Further we observe that
So we always add a constant to the integral of function, ...
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