If arithmetic progression did not exist you would not be able to count beyond 1, 2. Since 3 is the next number in the arithmetic progression. In effect there would be no arithmetic and no mathematics.
And before you cheer at the thought of one less subject to study, there would be no technology. You would still be living in a cave and have to do everything for yourself - since any kind of trade requires valuing what you have to "sell" or "buy" and that requires some form of counting.
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The concept of arithmetic progression was not invented by a single individual, as it has been developed over centuries by various mathematicians. However, the ancient Greek mathematician Pythagoras and his followers made significant contributions to the study of arithmetic progressions. They explored the properties and patterns of these sequences, laying the foundation for the modern understanding of arithmetic progressions.
Arithmetic progressions are commonly used in various real-life scenarios, such as calculating interest on loans or investments, determining the depreciation of assets over time, and predicting population growth. They are also used in creating schedules, budgets, and analyzing trends in data sets. Additionally, arithmetic progressions are utilized in fields like physics to model motion and in computer science for algorithms and data structures.
You can use a couple different methods for this. Using Pascal's triangle you can keep making shapes that are bigger proportionally.
A rectangular number sequence is the sequence of numbers of counters needed to construct a sequence of rectangles, where the dimensions of the sides of the rectangles are whole numbers and change in a regular way. The individual sequences representing the sides are usually arithmetic progressions, but could in principle be given by difference equations, geometric progressions, or functions of the dimensions of the sides of previous rectangles in the sequence.
An arithmetic series is the sum of the terms in an arithmetic progression.