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## Arithmetic Progression

 Arithmetic Progression : Common Difference nth Term

 An Arithmetic progression is a list of numbers, whose each term is obtained by adding a fixed number to its previous term (except it's first term). It is usually denoted as AP example (a): 2, 4, 6, 8, 10, 12, 14, 16 Before you understand AP further, lets understand: What are terms of Arithmetic Progression ? Terms of arithmetic progression refers to each number given in it’s list. To understand it better consider the above example (a): Number 2 is it’s first term Number 4 is its second term Number 6 is it’s third term and so on........ For further understanding, suppose: a1 is it's first term of arithmetic progression a2 is it's second term of arithmetic progression a3 is it's third term of arithmetic progression an is it's nth term of arithmetic progression then, the arithmetic progression is: a1 a2 a3 ... an

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