Sequences Mathematics is the science of patterns and homogeneity. Sequences are all about them. A sequence has a traditional meaning in mathematics similar to that in ordinary language. A sequence is...
If ‘a’ is the first term and ‘d’ is the common difference of the arithmetic progression, then its nth term is given by an = a+(n-1)d The sum, Sn of the first ‘n’...
Arithmetic Progression Example. Q:If the sum of the first 7 terms of an AP is 49 and that of the first 17 terms is 289,find the sum of its first n terms. ...