Maths

# Progression Formula List and Definition in Math

If you are searching for Progression Formula List and Definition in Math then you reached the right place.

The general form of an Arithmetic Progression is a, a + d, a + 2d, a + 3d, and so on. Thus nth term of an AP series is Tn = a + (n – 1) d, where Tn = nth term and a = first term. Here d = common difference = Tn – Tn1. The sum of n terms is also equal to the formula where l is the last term.

## Basic theoretical information

### Arithmetic progression

Formula  nth member arithmetic progression:

The ratio between the three neighboring members of the arithmetic progression:

The formula for the sum of an arithmetic progression:

The property of arithmetic progression:

### Geometric progression

Formulas of the  nth member of a geometric progression:

The ratio between the three neighboring members of the geometric progression:

The formula for the sum of a geometric progression:

The formula for the sum of an infinitely decreasing geometric progression:

Geometric progression property:

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