 # Significance of Integration in Calculus

Calculus, also known as an “Infinitesimal Calculus”, is a branch of Mathematics, which deals with the study of continuous change. It helps us to understand the changes between the values that are related by the function.

This mathematical discipline is mainly concerned with the four concepts such as functions, limits, derivatives and integrals. The two different fields of calculus are:

1. Differential calculus
2. Integral calculus

Differential calculus deals with finding the rate of change of quantity. But the integral calculus is used to find the quantity when the rate of change is known. Differential calculus uses the concept of a function derivative which studies the behaviour of the rate of change.

The method of determining the derivative of a function is known as differentiation. Integration is the inverse process of differentiation, which concerns finding the antiderivative of a function. Here, we are going to discuss the importance of integrations in detail. Among the two significant primary operations of calculus, integration is the process of finding the antiderivative, which is the reverse process of differentiation. It is the method of adding the slices into a whole. Integration involves different concepts such as limits, functions and integrals.

In general, integrals assign numbers to the functions that describe the area, volume, displacement and some other concepts which are developed by adding the minute data. Integrals are classified into two different types, such as definite integral and indefinite integral. It is possible to find the antiderivative for trigonometric, exponential, logarithmic, Gauss functions.

Another topic that’s specific to calculus is finding indefinite integrals. Later on in your math career, you will discover that being able to take an integral is one of the most important skills in all of advanced mathematics.

Students often forget the constant at the end of an indefinite integral because it doesn’t stick out in their mind as being particularly important.

Unfortunately for them, it is terribly important, and forgetting it is a much bigger mistake than they realize. For this reason, you should place special emphasis on the constant term of indefinite integrals and try to never forget it.

When you come into a calculus course, you will have already had years of math experience, mostly in algebra, under your belt. Because of this experience, you will have some basic assumptions about how math and the physical world operate.

Some of the things you learn in calculus will change a lot of these assumptions, especially when it comes to things like how infinity and negative infinity work.

If you aren’t open-minded and capable of re-evaluating what you think you know, then you will have a lot of trouble learning calculus and performing well on assignments.

Integration and differentiation are used in a wide range of applications, particularly in fields such as Physics, Statistics, Engineering, Economics, and so on. It is mainly used to develop mathematical models to obtain optimal solutions.

Integrals are used in the field of Physics to calculate the centre of the mass, the centre of gravity, mass and momentum, finding the area under the curves, the area between two curves, and so on.

In the field of Statistics, the integral test is used to examine the infinite series of non-negative terms to check its convergences. This process is known as the Maclaurin-Cauchy Test.

Subscribe to BYJU’S YouTube channel to learn the importance of various mathematical concepts and explore more videos.