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Arithmetic Progressions An arithmetic progression is a sequence in which each term (except the first term) is obtained from the previous term by adding a constant known as the common difference. An arithmetic series is formed by the addition of the terms in an arithmetic progression. Let the first term on an A. P. be a and common difference d. Then, General form of an A. P.: a, a + d, a + 2d, a + 3d, ... nth term of an A. P.: a + (n - 1) d Sum of first n terms of a
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submitted by raman_shadow (754 m) on 21 Jun 2007 11:47:14 IST (2 comments 845 views)
