摘要
本文用分式递推数列处理二元线性递推数列，得到两个性质，进而求得其通项公式。
In this paper two properties and the general term of binary recurrence sequence are obtained by using the linear fraction recurrence.
关键词
二元线性递推数列
特征方程
通项公式
binary recurrene sequence, linear fraction recurrence
characteristic equation
