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.
...