What is the constant ratio if the following series is geometric? Basically, a geometric sequence is one with a constant multiple preceding it. The constant ratio is usually identified by a variable called “r.”

When it comes to determining the constant ratio, it is important to remember that some sequences are not arithmetic or geometric, unless the first term is an integer. A geometric sequence is defined by a common difference between all terms. For example, the prime numbers are not a geometric sequence. Nevertheless, students should try to find a pattern in the sequence. In some cases, they may find the common ratio or difference by using subscripts.

In another case, an arithmetic sequence has a common ratio between its terms, and we can find it by using the term-to-term rule. To use this rule, we need to multiply the first term by the previous term. The next two terms will then be the common ratio. Then, we can calculate the constant ratio for the following geometric sequence, as follows:

**Figure 2:** shows the graphs of the two sequences. Both sequences have a form of exponential function. However, one should not assume that (a) is geometric. If it is, then the constant ratio is rn-1. A geometric sequence, on the other hand, does not require dividing every term by the previous term. This is because the constant ratio will be a single term, rather than an exponential function.

#### Example:

Another example of a geometric sequence is the one in which r is a constant ratio between the first term and the common number. For example, if the first term and the common number of terms are equal, then n is the third term. In such cases, r is a fraction between -1 and 1.

In addition to the common ratio, a geometric sequence also has a non-zero constant between the first term and the last term. This ratio is called the constant ratio (CR). The common ratio can be obtained by dividing any term by the first term, which is a1 or a2.

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