In general, “Integral” is a function associate with the original function, which is defined by a limiting process. … Deeply thinking an antiderivative of f(x) is just any function whose derivative is f(x). For example, an antiderivative of x^3 is x^4/4, but x^4/4 + 2 is also one of an antiderivative.
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Is the integral the same as antiderivative?

Antiderivatives are related to definite integrals through the fundamental theorem of calculus: the definite integral of a function over an interval is equal to the difference between the values of an antiderivative evaluated at the endpoints of the interval.

What the difference between the antiderivative and the methods of the integration?

The former, (Riemann) integration, is roughly defined as the limit of sum of rectangles under a curve. On the other hand, antidifferentiation is purely defined as the process of finding a function whose derivative is given.

Is the integral always the antiderivative?

The indefinite integral of f , in this treatment, is always an antiderivative on some interval on which f is continuous.

Why is an integral an antiderivative?

In short, an integral can be called an antiderivative because integration is the opposite of differentiation. The theorem that states this connection between integration and differentiation is the Fundamental Theorem of Calculus.

What is difference between integral and integration?

is that integration is the act or process of making whole or entire while integral is (mathematics) a number, the limit of the sums computed in a process in which the domain of a function is divided into small subsets and a possibly nominal value of the function on each subset is multiplied by the measure of that …

Are antiderivatives and integrals the same Reddit?

Integrals are not antiderivatives, just the means by which we evaluate some other function. Also, if we change the base point A, then we’ll get a different antiderivative and it will just be F(x)+r for some real number r.

What is the difference between an antiderivative of a function and the indefinite integral of a function?

A function F( x) is called an antiderivative of a function of f( x) if F′( x) = f( x) for all x in the domain of f. … The expression F( x) + C is called the indefinite integral of F with respect to the independent variable x.

What's the difference between definite and indefinite integrals?

A definite integral represents a number when the lower and upper limits are constants. The indefinite integral represents a family of functions whose derivatives are f. The difference between any two functions in the family is a constant.

Is the antiderivative the same as the original function?

In calculus, an antiderivative, inverse derivative, primitive function, primitive integral or indefinite integral of a function f is a differentiable function F whose derivative is equal to the original function f. This can be stated symbolically as F’ = f.

What does antiderivative find?

An antiderivative of a function f is a function whose derivative is f. In other words, F is an antiderivative of f if F’ = f. To find an antiderivative for a function f, we can often reverse the process of differentiation.

What is antiderivative sin?

The general antiderivative of sin(x) is −cos(x)+C . With an integral sign, this is written: ∫sin(x) dx=−cos(x)+C .

Is the antiderivative unique?

The antiderivative is therefore not unique, but is “unique up to a constant”. The square root of 4 is not unique; but it is unique up to a sign: we can write it as 2. Similarly, the antiderivative of x is unique up to a constant; we can write it as .

Is area an antiderivative?

The area under the function (the integral) is given by the antiderivative! Again, this approximation becomes an equality as the number of rectangles becomes infinite.

What is the symbol for antiderivative?

That is, the symbol ∫ f ( x ) d x denotes the ” antiderivative of f with respect to x ” just as the symbol dy / dx denotes the ” derivative of y with respect to x “.

Why does antiderivative given area?

Why does the antiderivative of a function give you the area under the curve? If you integrate a function f(x), you get it’s antiderivate F(x). If you evaluate the antiderivative over a specific domain [a, b], you get the area under the curve. In other words, F(a) – F(b) = area under f(x).

What is integrand and integrator?

As nouns the difference between integrand and integrator is that integrand is (calculus) the function that is to be integrated while integrator is a person who, or a device which integrates.

Is an indefinite integral an antiderivative?

An indefinite integral is an integral written without terminals; it simply asks us to find a general antiderivative of the integrand. It is not one function but a family of functions, differing by constants; and so the answer must have a ‘+ constant’ term to indicate all antiderivatives.

What is a definite integral Reddit?

A Definite Integral or, more accurately, just Integral of F(x) is the signed area under the graph y=F(x) which is defined to be the limit of the Riemann Sums of F(x) in the interval in question. This is what an integral is, and if you’re not finding area then you’re not doing integrals.

Why do two different antiderivatives of a function differ by a constant?

Suppose that we had two different antiderivatives of f, call them F and G. Then both F/ = f and G/ = f, so F/ − G/ = 0. Since the difference of two derivatives equals the derivative of the difference, therefore (F − G)/ = 0. … Thus, the two different antiderivatives of f differ by a constant.

What does it mean for a function f to be an antiderivative of a function f on an interval I?

Definition A function F is called an. antiderivative of f on an interval I if F (x) = f (x) for all x in I. Example Let f (x) = x2. Then an antiderivative. F(x) for x2 is F(x) = x3.

What is the difference between differentiation and integration?

Differentiation is the process of finding the ratio of a small change in one quantity with a small change in another which is dependent on the first quantity. On the other hand, the process of finding the area under a curve of a function is called integration.

Which is easy definite integral or indefinite integral?

Moreover, indefinite integrals are some functions, while definite integrations are some values on the real/complex number line. (Definite integrals can also mean areas under a curve or volumes under a surface.) It doesn’t matter which is easy if you know your stuff. Thanks for the A2A.

Do all functions have integrals?

Not every function can be integrated. Some simple functions have anti-derivatives that cannot be expressed using the functions that we usually work with. One common example is ∫ex2dx.

Does the integral equal the derivative?

The conclusion of the fundamental theorem of calculus can be loosely expressed in words as: “the derivative of an integral of a function is that original function”, or “differentiation undoes the result of integration”. so we see that the derivative of the (indefinite) integral of this function f(x) is f(x).

What is antiderivative in simple terms?

An antiderivative is a function that reverses what the derivative does. One function has many antiderivatives, but they all take the form of a function plus an arbitrary constant. Antiderivatives are a key part of indefinite integrals.

How do integrals work?

The basic idea of Integral calculus is finding the area under a curve. To find it exactly, we can divide the area into infinite rectangles of infinitely small width and sum their areas—calculus is great for working with infinite things!

What is the antiderivative of Secx?

The antiderivative of sec x is mathematically writen as ∫ sec x dx. Multiply and divide sec x by (sec x + tan x), we get, ∫ sec x dx = ∫ sec x · (sec x + tan x) / (sec x + tan x) dx = ∫ (sec2x + sec x tan x) / (sec x + tan x) dx.

What is the antiderivative of Sec 2?

and the general antiderivative of sec2x is tanx+C .

What is the antiderivative of sin2x?

Answer: The antiderivative of sin2 x is x/ 2 – (sinx cosx) / 2.

Can a function have more than one Antiderivative?

There are generally many such functions, differing by a constant: both and are antiderivatives of the function . No, a function cannot have more than one derivative.

What information does the definite integral of a function provide?

The definite integral is defined to be exactly the limit and summation that we looked at in the last section to find the net area between a function and the x -axis. Also note that the notation for the definite integral is very similar to the notation for an indefinite integral.

What is an integral conceptually?

An integral is an infinite summation of infinitesimal parts, like you said.

How do you find the antiderivative of an area?

As before, let A(c) be the area under the graph y=f(x) between x=a and x=c. So we have an area function A(x) which measures the area between a and x. We must find A(b), the area from a to b. The derivative of the area function A(x) is f(x), so A(x) is an antiderivative of f(x).