In mathematics, a sum of a sequence of terms is called a series, so a triangular number is a series of integers. Combining with the previous result we have shown that a series of integers equals an alternating series of
Explain mathematic problem
Mathematics is the study of numbers, shapes, and patterns. It is used in everyday life, from counting to calculating taxes, and its applications are endless.
Clarify mathematic equation
In mathematics, an equation is a statement that two things are equal.
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In modern terminology, any (ordered) infinite sequence of terms (that is, numbers, functions, or anything that can be added) defines a series, which is the operation of adding the ai one after