AS and A-level

The Ratio Test in Infinite Sequences and Series
AP

The Ratio Test

The way the ratio test works is by evaluating the absolute value of the ratio when applied after a very large number of times (tending to infinity), regardless of the
The Comparison Test in Infinite Sequences and Series
AP

The Comparison Test

The Comparison Test is a valuable tool when dealing with infinite series. It allows us to relate the convergence properties of one series to another, making our analysis more manageable.....