![]() ![]() and n is the number of the term we want to find.In the mathematical progression, the nth term is given by: Calculate the common ratio by finding the ratio of any term to its preceding term, if the common ratio is unknown. We require the first term in the geometric progression and the common ratio to determine the nth term. To find the nth term in the sequence, use the geometric progression formula. For example, 3, −6, +12, −24, +… is an infinite series where the last term is not defined. It is the sequence where the last term is not defined. ![]() Infinite geometric progressionĪ geometric progression that contains an infinite number of terms is an infinite geometric progression. It is the sequence in which the last term is defined. Finite geometric progressionįinite geometric progressions are geometric sequences that contain a finite number of terms. Listed below are the details of each geometric progression. There are two types of geometric progressions: the finite geometric progression and the infinite geometric progression. Geometric progressions can be divided into two types based on the number of terms. The geometric progression is of two types. To find the terms of a geometric series, we only need the first term and the constant ratio. The common ratio can be both positive and negative. The geometric sequence is usually represented in form a, ar, ar 2.… where a is the first term and r is the common ratio of the sequence. ![]() Geometric progression is also known as GP. Geometric progressions are special types of sequences in which successive terms bear a constant ratio known as the common ratio. ![]()
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