# Infinite sequence

In mathematics, an infinite sequence is a sequence that has an infinite number of elements. Infinite sequences can be represented in mathematical notation by listing the elements of the sequence separated by commas, like this:

a, b, c, d, e, …

The ellipsis (…) in this notation indicates that the sequence continues indefinitely.

One example of an infinite sequence is the sequence of all natural numbers, which can be written like this:

1, 2, 3, 4, 5, …

Another example is the sequence of all positive even numbers:

2, 4, 6, 8, 10, …

In general, an infinite sequence is said to converge if it has a limit, that is, if there exists a real number L such that the elements of the sequence get arbitrarily close to L as the sequence continues. For example, the sequence of all positive integers converges to infinity. On the other hand, the sequence of all negative integers diverges, because it has no limit.

##### What is the formula of infinite sequence?

There is no definitive answer to this question as it depends on the specific sequence in question. However, there are a few general things that can be said about infinite sequences and their formulas.

First, it is important to note that an infinite sequence is simply a sequence that goes on forever. This means that it is not possible to write down a complete formula for an infinite sequence, as there is no finite way to represent an infinite number of terms.

However, it is often possible to write down a partial formula for an infinite sequence, which will give the first few terms of the sequence. For example, the Fibonacci sequence can be described by the formula:

a_n = a_{n-1} + a_{n-2}

where a_n is the nth term of the sequence. This formula can be used to calculate any term in the Fibonacci sequence, as long as you know the two previous terms.

Another way to describe an infinite sequence is by using a recurrence relation. This is a formula that defines how each term in the sequence is related to the previous terms. For example, the Fibonacci sequence can also be described by the recurrence relation:

a_n = a_{n-1} + a_{n-2}

where a_n is the nth term of the sequence. This recurrence relation can be used to calculate any term in the Fib

#### What is infinite series example?

An infinite series is a mathematical series that has an infinite number of terms. An infinite series example is the harmonic series:

1 + 1/2 + 1/3 + 1/4 + 1/5 + ...

The harmonic series diverges, meaning that it does not have a finite sum.

### What are the 4 types of sequence?

There are four primary types of sequences:

1. Arithemetic Sequences
2. Geometric Sequences
3. Harmonic Sequences
4. Fibonacci Sequences

Each of these sequences has its own unique properties and applications.

1. Arithmetic Sequences

An arithmetic sequence is a sequence of numbers in which each successive number is obtained by adding a fixed constant, called the common difference, to the previous number.

2. Geometric Sequences

A geometric sequence is a sequence of numbers in which each successive number is obtained by multiplying the previous number by a fixed constant, called the common ratio.

3. Harmonic Sequences

A harmonic sequence is a sequence of numbers in which each successive number is obtained by adding the reciprocal of the previous number.

4. Fibonacci Sequences

A Fibonacci sequence is a sequence of numbers in which each successive number is the sum of the previous two numbers. Is the set finite or infinite? The set is infinite. What is the difference between infinite sequence and infinite series? An infinite sequence is a list of numbers that goes on forever. An infinite series is the sum of the numbers in an infinite sequence.