I'm having trouble writing the statement of $L_n = \alpha^n + \beta^n \forall n\geq 1$
$$\sum_{i=1}^n L_n = \alpha^n + \beta^n$$
Any ideas?
I'm having trouble writing the statement of $L_n = \alpha^n + \beta^n \forall n\geq 1$
$$\sum_{i=1}^n L_n = \alpha^n + \beta^n$$
Any ideas?