Table of Contents

- 1 Which is more difficult definite integration or indefinite integration?
- 2 Can I learn definite integration without indefinite integration?
- 3 How do you know if an integral is indefinite or definite?
- 4 How do you know when an integral is increasing?
- 5 What are indefinite integrals used for?
- 6 How do you find the definite integral from 1 to 2?
- 7 What happens if we don’t know indefinite integrals?
- 8 Why do we use substitution rule in integration?

## Which is more difficult definite integration or indefinite integration?

Indefinite gives you the complete area of the function where as in definite you’re restricting it to certain limits to get the area which you specifically want. Definite Integration is comparatively less challenging than Indefinite Integration because of the useful Properties.

## Can I learn definite integration without indefinite integration?

So yes, without learning indefinite integration you will be clueless in definite. If you mean knowing the derivations of each of the derivative and integration rules, it isn’t really necessary to know them, though it can’t hurt.

**How do you understand indefinite integration?**

- The process of finding the indefinite integral is also called integration or integrating f(x). f ( x ) .
- The above definition says that if a function F is an antiderivative of f, then. ∫f(x)dx=F(x)+C. for some real constant C. C .
- Unlike the definite integral, the indefinite integral is a function.

### How do you know if an integral is indefinite or definite?

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.

### How do you know when an integral is increasing?

The derivative of a function may be used to determine whether the function is increasing or decreasing on any intervals in its domain. If f′(x) > 0 at each point in an interval I, then the function is said to be increasing on I. f′(x) < 0 at each point in an interval I, then the function is said to be decreasing on I.

**Do definite integrals have constants?**

A definite integral is nothing different from an indefinite integral but the constant, that was eliminated during the differentiation, has some definite value.

## What are indefinite integrals used for?

An indefinite integral is a function that takes the antiderivative of another function. It is visually represented as an integral symbol, a function, and then a dx at the end. The indefinite integral is an easier way to symbolize taking the antiderivative.

## How do you find the definite integral from 1 to 2?

We find the Definite Integral by calculating the Indefinite Integral at a, and at b, then subtracting: We are being asked for the Definite Integral, from 1 to 2, of 2x dx. First we need to find the Indefinite Integral. Using the Rules of Integration we find that ∫2x dx = x 2 + C. Now calculate that at 1, and 2:

**What are the requirements to be able to do the integrals?**

The only real requirements to being able to do the examples in this section are being able to do the substitution rule for indefinite integrals and understanding how to compute definite integrals in general.

### What happens if we don’t know indefinite integrals?

The first half of this chapter is devoted to indefinite integrals and the last half is devoted to definite integrals. As we will see in the last half of the chapter if we don’t know indefinite integrals we will not be able to do definite integrals.

### Why do we use substitution rule in integration?

With the substitution rule we will be able integrate a wider variety of functions. The integrals in this section will all require some manipulation of the function prior to integrating unlike most of the integrals from the previous section where all we really needed were the basic integration formulas.