Theorem. The Ratio Test.
Suppose that
{a
_{i}
}
is a sequence of positive numbers
If
then
is convergent.
If
then
is divergent.
Discussion [
Using Flash
] [
Using Java
]
Exercises:
[Solution.]
[Solution.]
[Solution.]
Comment.
The ratio test gives no information when
Exercises:
[Solution.]
[Solution.]
Drill Problems.