Definition of Convergence and Divergence in Series
The nth partial sum of the series an is given by Sn = a1 + a2 + a3 + ... + an. If the sequence of these partial sums {Sn} converges to L, then the sum of…
Root test
Let there be a series \sigma a_{n}σan. Then we say that: Formula 2: Root test Where: If r < 1, then the series is convergent If r > 1 (including…
Ratio Test
Convergence tests are used to find the convergence of series or power series. There are many tests for convergence, but in this article we are going to focus on the…
Divergence vs. Convergence
Convergence Most traders refer to a convergence when describing the price action of a futures contract. Here, convergence describes the phenomenon of the futures price and the cash price of…


