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Home > Articles > Differentiation and Integration: Calculus, Derivations, Formulas, Properties, and Similarities
Updated on 13th June, 2023 , 7 min read
Differentiation and integration are essential areas of calculus, and the differentiation and integration formulas are mutually exclusive. Calculus' two main principles are differentiation and integration. Differentiation is used to investigate the small change in one quantity in relation to the unit change in another. Integration, on the other hand, is used to integrate tiny and discontinuous data that cannot be added separately and represented in a single number, so an integral is also known as the antiderivative. The rate of change in speed with respect to time (i.e. velocity) is a real-life example of differentiation, and the most significant example of integration is determining the area between the curves for large-scale companies. Geometrically, the differentiation and integration formulas are employed to calculate the slope and area under a curve.
Calculus is one of the most important mathematical applications used in the world today to tackle a variety of problems. It is widely used in scientific research, economic studies, finance, and engineering, among other fields that play an important part in an individual's life. Calculus' basics for studying change are integration and differentiation. Many individuals, even students, and experts have been unable to distinguish between distinction and integration.
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Differentiation in mathematics is defined as the derivation of any function using an independent variable. It is also known as the function per unit change. It is represented as dy/dx or y', where x is the independent variable and y differ from x. If any function has a very tiny change 'k' near to x, the derivative is lim k0 f(x+k)-f(x) / k.
If y = f(x) is a function of x, the rate of change of y per unit change in x is denoted by-
dy/dx |
Differentiation rules are classified into four types-
Integration is the process of joining pieces to produce a whole. In integral calculus, we obtain a function whose differential is supplied. Differentiation is thus the inverse of integration. Integration is used to define and compute the size of the region encompassed by the graph of functions. The area of the polygon etched in the curved shape is approximated by tracking its integrand. This" sign represents the integration of a function.
For a function f(x) and a closed interval [a, b] on the real line, the definite integral is denoted by-
∫ba f(x) dx |
Integrals are classified into two types, which are as follows-
The notions of integration were created by the famous mathematician Leibniz.
There are four fundamental integration methods, which are as follows-
If the derivative f'(a) occurs at every point in its domain, a function f in x is said to be differentiable at the point x = a. A function f'(x) derivative is given by-
To be differentiable at any point x = an in its domain, a function must be continuous at that point, but vice versa is not always true. The presence of limits defines the domain of f'(x).
If y = f(x) is a function in x, then dy/dx is the derivative of f(x). This is referred to as y's derivative with regard to x.
Similarly, at x = a, the derivative of a function f(x) is given by-
d/dx (f(x))|ₐ
The derivative of a function f(x) represents the function's rate of change with respect to x at a point 'a' in its domain.
We can determine the function f if we know the derivative of the function, f', which is differentiable in its domain. f is the anti-derivative or primitive function f' in integral calculus. Anti-differentiation or integration is the process of computing the anti-derivative.
Integration is a technique for calculating definite and indefinite integrals. F(x) denotes the integration of a function f(x) and is represented by-
where R.H.S. of the equation indicates the integral of f(x) with respect to x F(x),which is called anti-derivative or primitive.
f(x) is called the integrand.
dx is called the integrating agent.
C is the constant of integration or arbitrary constant.
x is the variable of integration.
The following table gives formulas for differentiation and integration-
Differentiation Formulas |
Integration Formulas |
d/dx (a) = 0 where a is constant |
∫ 1 dx = x+C |
d/dx (x) = 1 |
∫ a dx = ax + C |
d/dx(xⁿ) = nxⁿ⁻¹ |
∫ xⁿ dx = (xⁿ⁺¹/n+1) + C |
d/dx sin x = cos x |
∫ sin x dx = -cos x + C |
d/dx cos x = -sin x |
∫ cos x dx = sin x + C |
d/dx tan x = sec² x |
∫ sec² x dx = tan x + C |
d/dx ln x = 1/x |
∫ (1/x) dx = ln x + C |
d/dx eˣ = eˣ |
∫ eˣ dx = eˣ + C |
Integration may be defined as a mathematical method of adding slices to discover the total. This integration technique may be used to quickly obtain areas, volumes, median points, and other important data.
Differentiation under the integral sign is an algebraic procedure in calculus used to evaluate specific integrals. This procedure allows us to shift the order of integration and differentiation when the function being integrated is relatively loose. Its simplified version is known as the Leibniz integral rule, and in this version, differentiation under the integral sign models the resultant equation legitimately according to the following formula-
ddt ∫baf(x,t) dx = ∫ba∂tf(x,t) dx |
This method may be used to solve numerous integrals that would otherwise be impossible or require a far more sophisticated approach. Differentiation according to the integral sign rule can also be utilized to evaluate some uncommon definite integrals.
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By - Nikita Parmar 2024-09-06 10:59:22 , 6 min readAns. The two most essential branches of calculus are integral and differential calculus.
Ans. When we integrate a function’s derivative, we get the original function. The integral of a function is also known as its antiderivative. The fundamental theorem of calculus establishes the link between differentiation and integration and demonstrates how they are inverse operations.
Ans. Integration is also known as "antiderivative."
Ans. Differentiation is the process of calculating the rate of change in one variable in relation to another, while integration is the process of combining smaller components into a single unit that functions as a single component. They both meet the linearity condition. Derivatives are examined at a single point, whereas definite integrals of functions are examined across an interval.
Ans. Differentiation and integration are essential areas of calculus, and the differentiation and integration formulas are mutually exclusive. Differentiation is the process of determining the relationship between a slight change in one variable and a tiny change in another that is reliant on the first. Integration, on the other hand, refers to the process of determining the area under a function’s curve.
Ans. Differentiation and integration are antithetical processes. Integrating the derivative of a function yields the original function; hence, an integral is also known as the antiderivative. Differentiation produces the slope of a function, whereas integration gives the area under the function’s curve.
Ans. Differentiation can be used to determine the normal and tangent of a given curve, to compute the lowest and highest values of a given function, or simply to assess the rate of change of a single quantity in relation to others.