Cubic Sequences - How to find the formula for the n-th term

Cubic Sequences, how to find the formula for the n-th term, using the difference method.
Cubic sequences of numbers are characterized by the fact that the third difference between its terms is constant.
We learn the formula as well as how to use it using 2 examples.

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Видео Cubic Sequences - How to find the formula for the n-th term канала Radford Mathematics